Home / 7,534.90-11,304.40-3,639.30

Finding the Fourth Proportional to 7,534.90, 11,304.40 and 3,639.30

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Solution

The fourth proportional to 7,534.90, 11,304.40 and 3,639.30 is: 5,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.90 : 11,304.40 = 3,639.30 : x
  2. Step 2: Convert to fraction form
    7,534.90/11,304.40 = 3,639.30/x
  3. Step 3: Cross multiply
    7,534.90x = 11,304.40 × 3,639.30
  4. Step 4: Simplify right side
    7,534.90x = 41,140,148.52
  5. Step 5: Solve for x
    x = 41,140,148.52/7,534.90
  6. Step 6: Final answer
    x = 5,459.95

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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.