Home / 7,165.32-9,882.27-5,047.86

Finding the Fourth Proportional to 7,165.32, 9,882.27 and 5,047.86

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Solution

The fourth proportional to 7,165.32, 9,882.27 and 5,047.86 is: 6,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.32 : 9,882.27 = 5,047.86 : x
  2. Step 2: Convert to fraction form
    7,165.32/9,882.27 = 5,047.86/x
  3. Step 3: Cross multiply
    7,165.32x = 9,882.27 × 5,047.86
  4. Step 4: Simplify right side
    7,165.32x = 49,884,315.44
  5. Step 5: Solve for x
    x = 49,884,315.44/7,165.32
  6. Step 6: Final answer
    x = 6,961.91

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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.