Home / 4,665.28-6,438.40-2,569.40

Finding the Fourth Proportional to 4,665.28, 6,438.40 and 2,569.40

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Solution

The fourth proportional to 4,665.28, 6,438.40 and 2,569.40 is: 3,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.28 : 6,438.40 = 2,569.40 : x
  2. Step 2: Convert to fraction form
    4,665.28/6,438.40 = 2,569.40/x
  3. Step 3: Cross multiply
    4,665.28x = 6,438.40 × 2,569.40
  4. Step 4: Simplify right side
    4,665.28x = 16,542,824.96
  5. Step 5: Solve for x
    x = 16,542,824.96/4,665.28
  6. Step 6: Final answer
    x = 3,545.94

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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.