Home / 6,554.20-9,831.30-3,962.20

Finding the Fourth Proportional to 6,554.20, 9,831.30 and 3,962.20

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Solution

The fourth proportional to 6,554.20, 9,831.30 and 3,962.20 is: 5,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.20 : 9,831.30 = 3,962.20 : x
  2. Step 2: Convert to fraction form
    6,554.20/9,831.30 = 3,962.20/x
  3. Step 3: Cross multiply
    6,554.20x = 9,831.30 × 3,962.20
  4. Step 4: Simplify right side
    6,554.20x = 38,953,576.86
  5. Step 5: Solve for x
    x = 38,953,576.86/6,554.20
  6. Step 6: Final answer
    x = 5,943.30

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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.