Home / 6,781.19-9,359.15-5,017.82

Finding the Fourth Proportional to 6,781.19, 9,359.15 and 5,017.82

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Solution

The fourth proportional to 6,781.19, 9,359.15 and 5,017.82 is: 6,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.19 : 9,359.15 = 5,017.82 : x
  2. Step 2: Convert to fraction form
    6,781.19/9,359.15 = 5,017.82/x
  3. Step 3: Cross multiply
    6,781.19x = 9,359.15 × 5,017.82
  4. Step 4: Simplify right side
    6,781.19x = 46,962,458.17
  5. Step 5: Solve for x
    x = 46,962,458.17/6,781.19
  6. Step 6: Final answer
    x = 6,925.41

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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.