Home / 7,882.18-10,877.26-4,345.72

Finding the Fourth Proportional to 7,882.18, 10,877.26 and 4,345.72

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Solution

The fourth proportional to 7,882.18, 10,877.26 and 4,345.72 is: 5,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.18 : 10,877.26 = 4,345.72 : x
  2. Step 2: Convert to fraction form
    7,882.18/10,877.26 = 4,345.72/x
  3. Step 3: Cross multiply
    7,882.18x = 10,877.26 × 4,345.72
  4. Step 4: Simplify right side
    7,882.18x = 47,269,526.33
  5. Step 5: Solve for x
    x = 47,269,526.33/7,882.18
  6. Step 6: Final answer
    x = 5,997.01

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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.