Home / 8,440.56-12,642.03-5,967.90

Finding the Fourth Proportional to 8,440.56, 12,642.03 and 5,967.90

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Solution

The fourth proportional to 8,440.56, 12,642.03 and 5,967.90 is: 8,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.56 : 12,642.03 = 5,967.90 : x
  2. Step 2: Convert to fraction form
    8,440.56/12,642.03 = 5,967.90/x
  3. Step 3: Cross multiply
    8,440.56x = 12,642.03 × 5,967.90
  4. Step 4: Simplify right side
    8,440.56x = 75,446,370.84
  5. Step 5: Solve for x
    x = 75,446,370.84/8,440.56
  6. Step 6: Final answer
    x = 8,938.55

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1.5x scale

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.