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Finding the Fourth Proportional to 8,750.43, 13,125.69 and 2,510.55

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Solution

The fourth proportional to 8,750.43, 13,125.69 and 2,510.55 is: 3,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.43 : 13,125.69 = 2,510.55 : x
  2. Step 2: Convert to fraction form
    8,750.43/13,125.69 = 2,510.55/x
  3. Step 3: Cross multiply
    8,750.43x = 13,125.69 × 2,510.55
  4. Step 4: Simplify right side
    8,750.43x = 32,952,701.03
  5. Step 5: Solve for x
    x = 32,952,701.03/8,750.43
  6. Step 6: Final answer
    x = 3,765.84

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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.