Home / 5,244.80-7,237.82-2,887.10

Finding the Fourth Proportional to 5,244.80, 7,237.82 and 2,887.10

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Solution

The fourth proportional to 5,244.80, 7,237.82 and 2,887.10 is: 3,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.80 : 7,237.82 = 2,887.10 : x
  2. Step 2: Convert to fraction form
    5,244.80/7,237.82 = 2,887.10/x
  3. Step 3: Cross multiply
    5,244.80x = 7,237.82 × 2,887.10
  4. Step 4: Simplify right side
    5,244.80x = 20,896,310.12
  5. Step 5: Solve for x
    x = 20,896,310.12/5,244.80
  6. Step 6: Final answer
    x = 3,984.20

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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.