Home / 6,543.88-9,030.75-3,711.26

Finding the Fourth Proportional to 6,543.88, 9,030.75 and 3,711.26

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Solution

The fourth proportional to 6,543.88, 9,030.75 and 3,711.26 is: 5,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.88 : 9,030.75 = 3,711.26 : x
  2. Step 2: Convert to fraction form
    6,543.88/9,030.75 = 3,711.26/x
  3. Step 3: Cross multiply
    6,543.88x = 9,030.75 × 3,711.26
  4. Step 4: Simplify right side
    6,543.88x = 33,515,461.25
  5. Step 5: Solve for x
    x = 33,515,461.25/6,543.88
  6. Step 6: Final answer
    x = 5,121.65

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Double scale
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Similar ratio
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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.