Home / 8,470.47-12,706.36-2,546.89

Finding the Fourth Proportional to 8,470.47, 12,706.36 and 2,546.89

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Solution

The fourth proportional to 8,470.47, 12,706.36 and 2,546.89 is: 3,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.47 : 12,706.36 = 2,546.89 : x
  2. Step 2: Convert to fraction form
    8,470.47/12,706.36 = 2,546.89/x
  3. Step 3: Cross multiply
    8,470.47x = 12,706.36 × 2,546.89
  4. Step 4: Simplify right side
    8,470.47x = 32,361,688.49
  5. Step 5: Solve for x
    x = 32,361,688.49/8,470.47
  6. Step 6: Final answer
    x = 3,820.53

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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.