Home / 4,688.43-6,472.08-2,921.19

Finding the Fourth Proportional to 4,688.43, 6,472.08 and 2,921.19

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Solution

The fourth proportional to 4,688.43, 6,472.08 and 2,921.19 is: 4,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.43 : 6,472.08 = 2,921.19 : x
  2. Step 2: Convert to fraction form
    4,688.43/6,472.08 = 2,921.19/x
  3. Step 3: Cross multiply
    4,688.43x = 6,472.08 × 2,921.19
  4. Step 4: Simplify right side
    4,688.43x = 18,906,175.38
  5. Step 5: Solve for x
    x = 18,906,175.38/4,688.43
  6. Step 6: Final answer
    x = 4,032.52

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Double scale
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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.