Home / 9,531.27-13,152.92-5,339.79

Finding the Fourth Proportional to 9,531.27, 13,152.92 and 5,339.79

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Solution

The fourth proportional to 9,531.27, 13,152.92 and 5,339.79 is: 7,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.27 : 13,152.92 = 5,339.79 : x
  2. Step 2: Convert to fraction form
    9,531.27/13,152.92 = 5,339.79/x
  3. Step 3: Cross multiply
    9,531.27x = 13,152.92 × 5,339.79
  4. Step 4: Simplify right side
    9,531.27x = 70,233,803.99
  5. Step 5: Solve for x
    x = 70,233,803.99/9,531.27
  6. Step 6: Final answer
    x = 7,368.78

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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.