Home / 9,660.16-14,490.40-3,091.88

Finding the Fourth Proportional to 9,660.16, 14,490.40 and 3,091.88

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Solution

The fourth proportional to 9,660.16, 14,490.40 and 3,091.88 is: 4,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.16 : 14,490.40 = 3,091.88 : x
  2. Step 2: Convert to fraction form
    9,660.16/14,490.40 = 3,091.88/x
  3. Step 3: Cross multiply
    9,660.16x = 14,490.40 × 3,091.88
  4. Step 4: Simplify right side
    9,660.16x = 44,802,577.95
  5. Step 5: Solve for x
    x = 44,802,577.95/9,660.16
  6. Step 6: Final answer
    x = 4,637.87

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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.