Home / 8,666.28-11,959.45-4,889.44

Finding the Fourth Proportional to 8,666.28, 11,959.45 and 4,889.44

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Solution

The fourth proportional to 8,666.28, 11,959.45 and 4,889.44 is: 6,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.28 : 11,959.45 = 4,889.44 : x
  2. Step 2: Convert to fraction form
    8,666.28/11,959.45 = 4,889.44/x
  3. Step 3: Cross multiply
    8,666.28x = 11,959.45 × 4,889.44
  4. Step 4: Simplify right side
    8,666.28x = 58,475,013.21
  5. Step 5: Solve for x
    x = 58,475,013.21/8,666.28
  6. Step 6: Final answer
    x = 6,747.42

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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.