Home / 10,292.67-15,439.92-2,897.20

Finding the Fourth Proportional to 10,292.67, 15,439.92 and 2,897.20

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Solution

The fourth proportional to 10,292.67, 15,439.92 and 2,897.20 is: 4,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.67 : 15,439.92 = 2,897.20 : x
  2. Step 2: Convert to fraction form
    10,292.67/15,439.92 = 2,897.20/x
  3. Step 3: Cross multiply
    10,292.67x = 15,439.92 × 2,897.20
  4. Step 4: Simplify right side
    10,292.67x = 44,732,544.66
  5. Step 5: Solve for x
    x = 44,732,544.66/10,292.67
  6. Step 6: Final answer
    x = 4,346.06

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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.