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Finding the Fourth Proportional to 9,000.57, 13,503.45 and 2,761.50

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Solution

The fourth proportional to 9,000.57, 13,503.45 and 2,761.50 is: 4,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.57 : 13,503.45 = 2,761.50 : x
  2. Step 2: Convert to fraction form
    9,000.57/13,503.45 = 2,761.50/x
  3. Step 3: Cross multiply
    9,000.57x = 13,503.45 × 2,761.50
  4. Step 4: Simplify right side
    9,000.57x = 37,289,777.18
  5. Step 5: Solve for x
    x = 37,289,777.18/9,000.57
  6. Step 6: Final answer
    x = 4,143.05

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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.