Home / 8,617.17-11,888.67-5,634.75

Finding the Fourth Proportional to 8,617.17, 11,888.67 and 5,634.75

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Solution

The fourth proportional to 8,617.17, 11,888.67 and 5,634.75 is: 7,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.17 : 11,888.67 = 5,634.75 : x
  2. Step 2: Convert to fraction form
    8,617.17/11,888.67 = 5,634.75/x
  3. Step 3: Cross multiply
    8,617.17x = 11,888.67 × 5,634.75
  4. Step 4: Simplify right side
    8,617.17x = 66,989,683.28
  5. Step 5: Solve for x
    x = 66,989,683.28/8,617.17
  6. Step 6: Final answer
    x = 7,773.98

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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.