Home / 6,695.90-9,240.32-3,712.18

Finding the Fourth Proportional to 6,695.90, 9,240.32 and 3,712.18

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Solution

The fourth proportional to 6,695.90, 9,240.32 and 3,712.18 is: 5,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.90 : 9,240.32 = 3,712.18 : x
  2. Step 2: Convert to fraction form
    6,695.90/9,240.32 = 3,712.18/x
  3. Step 3: Cross multiply
    6,695.90x = 9,240.32 × 3,712.18
  4. Step 4: Simplify right side
    6,695.90x = 34,301,731.10
  5. Step 5: Solve for x
    x = 34,301,731.10/6,695.90
  6. Step 6: Final answer
    x = 5,122.80

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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.