Home / 8,470.06-11,689.98-5,283.88

Finding the Fourth Proportional to 8,470.06, 11,689.98 and 5,283.88

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Solution

The fourth proportional to 8,470.06, 11,689.98 and 5,283.88 is: 7,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.06 : 11,689.98 = 5,283.88 : x
  2. Step 2: Convert to fraction form
    8,470.06/11,689.98 = 5,283.88/x
  3. Step 3: Cross multiply
    8,470.06x = 11,689.98 × 5,283.88
  4. Step 4: Simplify right side
    8,470.06x = 61,768,451.52
  5. Step 5: Solve for x
    x = 61,768,451.52/8,470.06
  6. Step 6: Final answer
    x = 7,292.56

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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.