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Finding the Fourth Proportional to 6,603.04, 9,891.12 and 5,517.60

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Solution

The fourth proportional to 6,603.04, 9,891.12 and 5,517.60 is: 8,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.04 : 9,891.12 = 5,517.60 : x
  2. Step 2: Convert to fraction form
    6,603.04/9,891.12 = 5,517.60/x
  3. Step 3: Cross multiply
    6,603.04x = 9,891.12 × 5,517.60
  4. Step 4: Simplify right side
    6,603.04x = 54,575,243.71
  5. Step 5: Solve for x
    x = 54,575,243.71/6,603.04
  6. Step 6: Final answer
    x = 8,265.17

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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.