Home / 9,110.20-13,665.44-2,870.04

Finding the Fourth Proportional to 9,110.20, 13,665.44 and 2,870.04

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Solution

The fourth proportional to 9,110.20, 13,665.44 and 2,870.04 is: 4,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.20 : 13,665.44 = 2,870.04 : x
  2. Step 2: Convert to fraction form
    9,110.20/13,665.44 = 2,870.04/x
  3. Step 3: Cross multiply
    9,110.20x = 13,665.44 × 2,870.04
  4. Step 4: Simplify right side
    9,110.20x = 39,220,359.42
  5. Step 5: Solve for x
    x = 39,220,359.42/9,110.20
  6. Step 6: Final answer
    x = 4,305.10

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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.