Home / 7,882.58-10,877.91-4,345.79

Finding the Fourth Proportional to 7,882.58, 10,877.91 and 4,345.79

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Solution

The fourth proportional to 7,882.58, 10,877.91 and 4,345.79 is: 5,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.58 : 10,877.91 = 4,345.79 : x
  2. Step 2: Convert to fraction form
    7,882.58/10,877.91 = 4,345.79/x
  3. Step 3: Cross multiply
    7,882.58x = 10,877.91 × 4,345.79
  4. Step 4: Simplify right side
    7,882.58x = 47,273,121.32
  5. Step 5: Solve for x
    x = 47,273,121.32/7,882.58
  6. Step 6: Final answer
    x = 5,997.16

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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.