Home / 8,970.48-13,456.35-3,422.88

Finding the Fourth Proportional to 8,970.48, 13,456.35 and 3,422.88

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Solution

The fourth proportional to 8,970.48, 13,456.35 and 3,422.88 is: 5,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.48 : 13,456.35 = 3,422.88 : x
  2. Step 2: Convert to fraction form
    8,970.48/13,456.35 = 3,422.88/x
  3. Step 3: Cross multiply
    8,970.48x = 13,456.35 × 3,422.88
  4. Step 4: Simplify right side
    8,970.48x = 46,059,471.29
  5. Step 5: Solve for x
    x = 46,059,471.29/8,970.48
  6. Step 6: Final answer
    x = 5,134.56

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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.