Home / 9,101.48-12,560.58-5,122.76

Finding the Fourth Proportional to 9,101.48, 12,560.58 and 5,122.76

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Solution

The fourth proportional to 9,101.48, 12,560.58 and 5,122.76 is: 7,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.48 : 12,560.58 = 5,122.76 : x
  2. Step 2: Convert to fraction form
    9,101.48/12,560.58 = 5,122.76/x
  3. Step 3: Cross multiply
    9,101.48x = 12,560.58 × 5,122.76
  4. Step 4: Simplify right side
    9,101.48x = 64,344,836.80
  5. Step 5: Solve for x
    x = 64,344,836.80/9,101.48
  6. Step 6: Final answer
    x = 7,069.71

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,102.48, 12,561.96 and 5,123.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.