Home / 6,781.61-10,155.87-4,695.72

Finding the Fourth Proportional to 6,781.61, 10,155.87 and 4,695.72

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Solution

The fourth proportional to 6,781.61, 10,155.87 and 4,695.72 is: 7,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.61 : 10,155.87 = 4,695.72 : x
  2. Step 2: Convert to fraction form
    6,781.61/10,155.87 = 4,695.72/x
  3. Step 3: Cross multiply
    6,781.61x = 10,155.87 × 4,695.72
  4. Step 4: Simplify right side
    6,781.61x = 47,689,121.88
  5. Step 5: Solve for x
    x = 47,689,121.88/6,781.61
  6. Step 6: Final answer
    x = 7,032.13

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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.