Home / 6,931.58-9,565.56-3,787.76

Finding the Fourth Proportional to 6,931.58, 9,565.56 and 3,787.76

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Solution

The fourth proportional to 6,931.58, 9,565.56 and 3,787.76 is: 5,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.58 : 9,565.56 = 3,787.76 : x
  2. Step 2: Convert to fraction form
    6,931.58/9,565.56 = 3,787.76/x
  3. Step 3: Cross multiply
    6,931.58x = 9,565.56 × 3,787.76
  4. Step 4: Simplify right side
    6,931.58x = 36,232,045.55
  5. Step 5: Solve for x
    x = 36,232,045.55/6,931.58
  6. Step 6: Final answer
    x = 5,227.10

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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.