Home / 4,749.08-7,123.61-1,286.33

Finding the Fourth Proportional to 4,749.08, 7,123.61 and 1,286.33

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Solution

The fourth proportional to 4,749.08, 7,123.61 and 1,286.33 is: 1,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.08 : 7,123.61 = 1,286.33 : x
  2. Step 2: Convert to fraction form
    4,749.08/7,123.61 = 1,286.33/x
  3. Step 3: Cross multiply
    4,749.08x = 7,123.61 × 1,286.33
  4. Step 4: Simplify right side
    4,749.08x = 9,163,271.20
  5. Step 5: Solve for x
    x = 9,163,271.20/4,749.08
  6. Step 6: Final answer
    x = 1,929.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.