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Finding the Fourth Proportional to 8,700.11, 13,050.84 and 4,313.15

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Solution

The fourth proportional to 8,700.11, 13,050.84 and 4,313.15 is: 6,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.11 : 13,050.84 = 4,313.15 : x
  2. Step 2: Convert to fraction form
    8,700.11/13,050.84 = 4,313.15/x
  3. Step 3: Cross multiply
    8,700.11x = 13,050.84 × 4,313.15
  4. Step 4: Simplify right side
    8,700.11x = 56,290,230.55
  5. Step 5: Solve for x
    x = 56,290,230.55/8,700.11
  6. Step 6: Final answer
    x = 6,470.06

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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.