Home / 9,060.38-13,590.64-2,820.14

Finding the Fourth Proportional to 9,060.38, 13,590.64 and 2,820.14

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Solution

The fourth proportional to 9,060.38, 13,590.64 and 2,820.14 is: 4,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.38 : 13,590.64 = 2,820.14 : x
  2. Step 2: Convert to fraction form
    9,060.38/13,590.64 = 2,820.14/x
  3. Step 3: Cross multiply
    9,060.38x = 13,590.64 × 2,820.14
  4. Step 4: Simplify right side
    9,060.38x = 38,327,439.54
  5. Step 5: Solve for x
    x = 38,327,439.54/9,060.38
  6. Step 6: Final answer
    x = 4,230.23

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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.