Home / 9,310.32-12,849.03-5,119.38

Finding the Fourth Proportional to 9,310.32, 12,849.03 and 5,119.38

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Solution

The fourth proportional to 9,310.32, 12,849.03 and 5,119.38 is: 7,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.32 : 12,849.03 = 5,119.38 : x
  2. Step 2: Convert to fraction form
    9,310.32/12,849.03 = 5,119.38/x
  3. Step 3: Cross multiply
    9,310.32x = 12,849.03 × 5,119.38
  4. Step 4: Simplify right side
    9,310.32x = 65,779,067.20
  5. Step 5: Solve for x
    x = 65,779,067.20/9,310.32
  6. Step 6: Final answer
    x = 7,065.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.