Home / 8,712.87-13,066.68-2,473.40

Finding the Fourth Proportional to 8,712.87, 13,066.68 and 2,473.40

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Solution

The fourth proportional to 8,712.87, 13,066.68 and 2,473.40 is: 3,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.87 : 13,066.68 = 2,473.40 : x
  2. Step 2: Convert to fraction form
    8,712.87/13,066.68 = 2,473.40/x
  3. Step 3: Cross multiply
    8,712.87x = 13,066.68 × 2,473.40
  4. Step 4: Simplify right side
    8,712.87x = 32,319,168.25
  5. Step 5: Solve for x
    x = 32,319,168.25/8,712.87
  6. Step 6: Final answer
    x = 3,709.36

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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.