Home / 8,470.34-12,701.56-4,520.53

Finding the Fourth Proportional to 8,470.34, 12,701.56 and 4,520.53

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Solution

The fourth proportional to 8,470.34, 12,701.56 and 4,520.53 is: 6,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.34 : 12,701.56 = 4,520.53 : x
  2. Step 2: Convert to fraction form
    8,470.34/12,701.56 = 4,520.53/x
  3. Step 3: Cross multiply
    8,470.34x = 12,701.56 × 4,520.53
  4. Step 4: Simplify right side
    8,470.34x = 57,417,724.63
  5. Step 5: Solve for x
    x = 57,417,724.63/8,470.34
  6. Step 6: Final answer
    x = 6,778.68

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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.