Home / 5,407.43-8,114.32-2,287.22

Finding the Fourth Proportional to 5,407.43, 8,114.32 and 2,287.22

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Solution

The fourth proportional to 5,407.43, 8,114.32 and 2,287.22 is: 3,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.43 : 8,114.32 = 2,287.22 : x
  2. Step 2: Convert to fraction form
    5,407.43/8,114.32 = 2,287.22/x
  3. Step 3: Cross multiply
    5,407.43x = 8,114.32 × 2,287.22
  4. Step 4: Simplify right side
    5,407.43x = 18,559,188.70
  5. Step 5: Solve for x
    x = 18,559,188.70/5,407.43
  6. Step 6: Final answer
    x = 3,432.17

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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.