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Finding the Fourth Proportional to 9,000.88, 13,500.60 and 5,706.70

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Solution

The fourth proportional to 9,000.88, 13,500.60 and 5,706.70 is: 8,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.88 : 13,500.60 = 5,706.70 : x
  2. Step 2: Convert to fraction form
    9,000.88/13,500.60 = 5,706.70/x
  3. Step 3: Cross multiply
    9,000.88x = 13,500.60 × 5,706.70
  4. Step 4: Simplify right side
    9,000.88x = 77,043,874.02
  5. Step 5: Solve for x
    x = 77,043,874.02/9,000.88
  6. Step 6: Final answer
    x = 8,559.59

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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.