Home / 8,496-12,742.20-3,564.36

Finding the Fourth Proportional to 8,496, 12,742.20 and 3,564.36

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Solution

The fourth proportional to 8,496, 12,742.20 and 3,564.36 is: 5,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496 : 12,742.20 = 3,564.36 : x
  2. Step 2: Convert to fraction form
    8,496/12,742.20 = 3,564.36/x
  3. Step 3: Cross multiply
    8,496x = 12,742.20 × 3,564.36
  4. Step 4: Simplify right side
    8,496x = 45,417,787.99
  5. Step 5: Solve for x
    x = 45,417,787.99/8,496
  6. Step 6: Final answer
    x = 5,345.78

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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.