Home / 6,534-8,985.96-5,191.92

Finding the Fourth Proportional to 6,534, 8,985.96 and 5,191.92

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Solution

The fourth proportional to 6,534, 8,985.96 and 5,191.92 is: 7,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534 : 8,985.96 = 5,191.92 : x
  2. Step 2: Convert to fraction form
    6,534/8,985.96 = 5,191.92/x
  3. Step 3: Cross multiply
    6,534x = 8,985.96 × 5,191.92
  4. Step 4: Simplify right side
    6,534x = 46,654,385.44
  5. Step 5: Solve for x
    x = 46,654,385.44/6,534
  6. Step 6: Final answer
    x = 7,140.25

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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.