Home / 4,691.28-6,472.32-2,921.42

Finding the Fourth Proportional to 4,691.28, 6,472.32 and 2,921.42

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Solution

The fourth proportional to 4,691.28, 6,472.32 and 2,921.42 is: 4,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.28 : 6,472.32 = 2,921.42 : x
  2. Step 2: Convert to fraction form
    4,691.28/6,472.32 = 2,921.42/x
  3. Step 3: Cross multiply
    4,691.28x = 6,472.32 × 2,921.42
  4. Step 4: Simplify right side
    4,691.28x = 18,908,365.09
  5. Step 5: Solve for x
    x = 18,908,365.09/4,691.28
  6. Step 6: Final answer
    x = 4,030.53

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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.