Home / 8,489.06-11,715.54-4,951.52

Finding the Fourth Proportional to 8,489.06, 11,715.54 and 4,951.52

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Solution

The fourth proportional to 8,489.06, 11,715.54 and 4,951.52 is: 6,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.06 : 11,715.54 = 4,951.52 : x
  2. Step 2: Convert to fraction form
    8,489.06/11,715.54 = 4,951.52/x
  3. Step 3: Cross multiply
    8,489.06x = 11,715.54 × 4,951.52
  4. Step 4: Simplify right side
    8,489.06x = 58,009,730.62
  5. Step 5: Solve for x
    x = 58,009,730.62/8,489.06
  6. Step 6: Final answer
    x = 6,833.47

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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.