Home / 8,475.47-12,713.20-3,281.34

Finding the Fourth Proportional to 8,475.47, 12,713.20 and 3,281.34

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Solution

The fourth proportional to 8,475.47, 12,713.20 and 3,281.34 is: 4,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.47 : 12,713.20 = 3,281.34 : x
  2. Step 2: Convert to fraction form
    8,475.47/12,713.20 = 3,281.34/x
  3. Step 3: Cross multiply
    8,475.47x = 12,713.20 × 3,281.34
  4. Step 4: Simplify right side
    8,475.47x = 41,716,389.62
  5. Step 5: Solve for x
    x = 41,716,389.62/8,475.47
  6. Step 6: Final answer
    x = 4,922.02

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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.