Home / 9,005.34-13,510.04-2,765.90

Finding the Fourth Proportional to 9,005.34, 13,510.04 and 2,765.90

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Solution

The fourth proportional to 9,005.34, 13,510.04 and 2,765.90 is: 4,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.34 : 13,510.04 = 2,765.90 : x
  2. Step 2: Convert to fraction form
    9,005.34/13,510.04 = 2,765.90/x
  3. Step 3: Cross multiply
    9,005.34x = 13,510.04 × 2,765.90
  4. Step 4: Simplify right side
    9,005.34x = 37,367,419.64
  5. Step 5: Solve for x
    x = 37,367,419.64/9,005.34
  6. Step 6: Final answer
    x = 4,149.47

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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.