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Finding the Fourth Proportional to 8,339.40, 12,509.10 and 2,500.11

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Solution

The fourth proportional to 8,339.40, 12,509.10 and 2,500.11 is: 3,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.40 : 12,509.10 = 2,500.11 : x
  2. Step 2: Convert to fraction form
    8,339.40/12,509.10 = 2,500.11/x
  3. Step 3: Cross multiply
    8,339.40x = 12,509.10 × 2,500.11
  4. Step 4: Simplify right side
    8,339.40x = 31,274,126.00
  5. Step 5: Solve for x
    x = 31,274,126.00/8,339.40
  6. Step 6: Final answer
    x = 3,750.17

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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.