Home / 6,543.48-9,027.78-3,710.54

Finding the Fourth Proportional to 6,543.48, 9,027.78 and 3,710.54

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Solution

The fourth proportional to 6,543.48, 9,027.78 and 3,710.54 is: 5,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.48 : 9,027.78 = 3,710.54 : x
  2. Step 2: Convert to fraction form
    6,543.48/9,027.78 = 3,710.54/x
  3. Step 3: Cross multiply
    6,543.48x = 9,027.78 × 3,710.54
  4. Step 4: Simplify right side
    6,543.48x = 33,497,938.80
  5. Step 5: Solve for x
    x = 33,497,938.80/6,543.48
  6. Step 6: Final answer
    x = 5,119.28

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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.