Home / 7,955.12-10,983.11-5,123.58

Finding the Fourth Proportional to 7,955.12, 10,983.11 and 5,123.58

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Solution

The fourth proportional to 7,955.12, 10,983.11 and 5,123.58 is: 7,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.12 : 10,983.11 = 5,123.58 : x
  2. Step 2: Convert to fraction form
    7,955.12/10,983.11 = 5,123.58/x
  3. Step 3: Cross multiply
    7,955.12x = 10,983.11 × 5,123.58
  4. Step 4: Simplify right side
    7,955.12x = 56,272,817.12
  5. Step 5: Solve for x
    x = 56,272,817.12/7,955.12
  6. Step 6: Final answer
    x = 7,073.79

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Similar ratio
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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.