Home / 7,175.17-9,901.20-4,030.75

Finding the Fourth Proportional to 7,175.17, 9,901.20 and 4,030.75

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Solution

The fourth proportional to 7,175.17, 9,901.20 and 4,030.75 is: 5,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.17 : 9,901.20 = 4,030.75 : x
  2. Step 2: Convert to fraction form
    7,175.17/9,901.20 = 4,030.75/x
  3. Step 3: Cross multiply
    7,175.17x = 9,901.20 × 4,030.75
  4. Step 4: Simplify right side
    7,175.17x = 39,909,261.90
  5. Step 5: Solve for x
    x = 39,909,261.90/7,175.17
  6. Step 6: Final answer
    x = 5,562.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.