Home / 8,527.47-12,774.26-6,669.90

Finding the Fourth Proportional to 8,527.47, 12,774.26 and 6,669.90

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Solution

The fourth proportional to 8,527.47, 12,774.26 and 6,669.90 is: 9,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.47 : 12,774.26 = 6,669.90 : x
  2. Step 2: Convert to fraction form
    8,527.47/12,774.26 = 6,669.90/x
  3. Step 3: Cross multiply
    8,527.47x = 12,774.26 × 6,669.90
  4. Step 4: Simplify right side
    8,527.47x = 85,203,003.42
  5. Step 5: Solve for x
    x = 85,203,003.42/8,527.47
  6. Step 6: Final answer
    x = 9,991.59

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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.