Home / 8,614.45-11,882.85-5,426.47

Finding the Fourth Proportional to 8,614.45, 11,882.85 and 5,426.47

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Solution

The fourth proportional to 8,614.45, 11,882.85 and 5,426.47 is: 7,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.45 : 11,882.85 = 5,426.47 : x
  2. Step 2: Convert to fraction form
    8,614.45/11,882.85 = 5,426.47/x
  3. Step 3: Cross multiply
    8,614.45x = 11,882.85 × 5,426.47
  4. Step 4: Simplify right side
    8,614.45x = 64,481,929.04
  5. Step 5: Solve for x
    x = 64,481,929.04/8,614.45
  6. Step 6: Final answer
    x = 7,485.32

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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.