Home / 5,242.02-7,230.92-3,543.45

Finding the Fourth Proportional to 5,242.02, 7,230.92 and 3,543.45

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Solution

The fourth proportional to 5,242.02, 7,230.92 and 3,543.45 is: 4,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.02 : 7,230.92 = 3,543.45 : x
  2. Step 2: Convert to fraction form
    5,242.02/7,230.92 = 3,543.45/x
  3. Step 3: Cross multiply
    5,242.02x = 7,230.92 × 3,543.45
  4. Step 4: Simplify right side
    5,242.02x = 25,622,378.57
  5. Step 5: Solve for x
    x = 25,622,378.57/5,242.02
  6. Step 6: Final answer
    x = 4,887.89

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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.