Home / 8,663.89-11,955.67-4,886.83

Finding the Fourth Proportional to 8,663.89, 11,955.67 and 4,886.83

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Solution

The fourth proportional to 8,663.89, 11,955.67 and 4,886.83 is: 6,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.89 : 11,955.67 = 4,886.83 : x
  2. Step 2: Convert to fraction form
    8,663.89/11,955.67 = 4,886.83/x
  3. Step 3: Cross multiply
    8,663.89x = 11,955.67 × 4,886.83
  4. Step 4: Simplify right side
    8,663.89x = 58,425,350.17
  5. Step 5: Solve for x
    x = 58,425,350.17/8,663.89
  6. Step 6: Final answer
    x = 6,743.55

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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.