Home / 5,028.90-7,543.08-1,331.25

Finding the Fourth Proportional to 5,028.90, 7,543.08 and 1,331.25

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Solution

The fourth proportional to 5,028.90, 7,543.08 and 1,331.25 is: 1,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.90 : 7,543.08 = 1,331.25 : x
  2. Step 2: Convert to fraction form
    5,028.90/7,543.08 = 1,331.25/x
  3. Step 3: Cross multiply
    5,028.90x = 7,543.08 × 1,331.25
  4. Step 4: Simplify right side
    5,028.90x = 10,041,725.25
  5. Step 5: Solve for x
    x = 10,041,725.25/5,028.90
  6. Step 6: Final answer
    x = 1,996.80

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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.