Home / 9,124.27-12,589.31-5,539.14

Finding the Fourth Proportional to 9,124.27, 12,589.31 and 5,539.14

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Solution

The fourth proportional to 9,124.27, 12,589.31 and 5,539.14 is: 7,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.27 : 12,589.31 = 5,539.14 : x
  2. Step 2: Convert to fraction form
    9,124.27/12,589.31 = 5,539.14/x
  3. Step 3: Cross multiply
    9,124.27x = 12,589.31 × 5,539.14
  4. Step 4: Simplify right side
    9,124.27x = 69,733,964.44
  5. Step 5: Solve for x
    x = 69,733,964.44/9,124.27
  6. Step 6: Final answer
    x = 7,642.69

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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.