Home / 5,617.81-8,427.55-1,817.18

Finding the Fourth Proportional to 5,617.81, 8,427.55 and 1,817.18

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Solution

The fourth proportional to 5,617.81, 8,427.55 and 1,817.18 is: 2,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.81 : 8,427.55 = 1,817.18 : x
  2. Step 2: Convert to fraction form
    5,617.81/8,427.55 = 1,817.18/x
  3. Step 3: Cross multiply
    5,617.81x = 8,427.55 × 1,817.18
  4. Step 4: Simplify right side
    5,617.81x = 15,314,375.31
  5. Step 5: Solve for x
    x = 15,314,375.31/5,617.81
  6. Step 6: Final answer
    x = 2,726.04

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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.