Home / 6,554.75-9,045.56-3,761.15

Finding the Fourth Proportional to 6,554.75, 9,045.56 and 3,761.15

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Solution

The fourth proportional to 6,554.75, 9,045.56 and 3,761.15 is: 5,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.75 : 9,045.56 = 3,761.15 : x
  2. Step 2: Convert to fraction form
    6,554.75/9,045.56 = 3,761.15/x
  3. Step 3: Cross multiply
    6,554.75x = 9,045.56 × 3,761.15
  4. Step 4: Simplify right side
    6,554.75x = 34,021,689.19
  5. Step 5: Solve for x
    x = 34,021,689.19/6,554.75
  6. Step 6: Final answer
    x = 5,190.39

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Half scale
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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.