Home / 8,470.17-12,719.84-4,577.31

Finding the Fourth Proportional to 8,470.17, 12,719.84 and 4,577.31

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Solution

The fourth proportional to 8,470.17, 12,719.84 and 4,577.31 is: 6,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.17 : 12,719.84 = 4,577.31 : x
  2. Step 2: Convert to fraction form
    8,470.17/12,719.84 = 4,577.31/x
  3. Step 3: Cross multiply
    8,470.17x = 12,719.84 × 4,577.31
  4. Step 4: Simplify right side
    8,470.17x = 58,222,627.94
  5. Step 5: Solve for x
    x = 58,222,627.94/8,470.17
  6. Step 6: Final answer
    x = 6,873.84

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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.