Home / 9,371.08-12,932.57-5,392.79

Finding the Fourth Proportional to 9,371.08, 12,932.57 and 5,392.79

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Solution

The fourth proportional to 9,371.08, 12,932.57 and 5,392.79 is: 7,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.08 : 12,932.57 = 5,392.79 : x
  2. Step 2: Convert to fraction form
    9,371.08/12,932.57 = 5,392.79/x
  3. Step 3: Cross multiply
    9,371.08x = 12,932.57 × 5,392.79
  4. Step 4: Simplify right side
    9,371.08x = 69,742,542.54
  5. Step 5: Solve for x
    x = 69,742,542.54/9,371.08
  6. Step 6: Final answer
    x = 7,442.32

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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.