Home / 8,770.06-13,157.52-7,217.29

Finding the Fourth Proportional to 8,770.06, 13,157.52 and 7,217.29

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Solution

The fourth proportional to 8,770.06, 13,157.52 and 7,217.29 is: 10,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.06 : 13,157.52 = 7,217.29 : x
  2. Step 2: Convert to fraction form
    8,770.06/13,157.52 = 7,217.29/x
  3. Step 3: Cross multiply
    8,770.06x = 13,157.52 × 7,217.29
  4. Step 4: Simplify right side
    8,770.06x = 94,961,637.52
  5. Step 5: Solve for x
    x = 94,961,637.52/8,770.06
  6. Step 6: Final answer
    x = 10,827.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.