Home / 7,411.18-11,116.77-2,970.88

Finding the Fourth Proportional to 7,411.18, 11,116.77 and 2,970.88

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Solution

The fourth proportional to 7,411.18, 11,116.77 and 2,970.88 is: 4,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.18 : 11,116.77 = 2,970.88 : x
  2. Step 2: Convert to fraction form
    7,411.18/11,116.77 = 2,970.88/x
  3. Step 3: Cross multiply
    7,411.18x = 11,116.77 × 2,970.88
  4. Step 4: Simplify right side
    7,411.18x = 33,026,589.66
  5. Step 5: Solve for x
    x = 33,026,589.66/7,411.18
  6. Step 6: Final answer
    x = 4,456.32

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Similar ratio
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1.5x scale

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.