Home / 6,205.20-9,307.80-3,126.48

Finding the Fourth Proportional to 6,205.20, 9,307.80 and 3,126.48

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Solution

The fourth proportional to 6,205.20, 9,307.80 and 3,126.48 is: 4,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,205.20 : 9,307.80 = 3,126.48 : x
  2. Step 2: Convert to fraction form
    6,205.20/9,307.80 = 3,126.48/x
  3. Step 3: Cross multiply
    6,205.20x = 9,307.80 × 3,126.48
  4. Step 4: Simplify right side
    6,205.20x = 29,100,650.54
  5. Step 5: Solve for x
    x = 29,100,650.54/6,205.20
  6. Step 6: Final answer
    x = 4,689.72

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.