Home / 8,666.33-11,959.47-4,889.53

Finding the Fourth Proportional to 8,666.33, 11,959.47 and 4,889.53

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Solution

The fourth proportional to 8,666.33, 11,959.47 and 4,889.53 is: 6,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.33 : 11,959.47 = 4,889.53 : x
  2. Step 2: Convert to fraction form
    8,666.33/11,959.47 = 4,889.53/x
  3. Step 3: Cross multiply
    8,666.33x = 11,959.47 × 4,889.53
  4. Step 4: Simplify right side
    8,666.33x = 58,476,187.35
  5. Step 5: Solve for x
    x = 58,476,187.35/8,666.33
  6. Step 6: Final answer
    x = 6,747.51

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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.