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Finding the Fourth Proportional to 6,552.20, 9,820.56 and 6,479.12

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Solution

The fourth proportional to 6,552.20, 9,820.56 and 6,479.12 is: 9,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552.20 : 9,820.56 = 6,479.12 : x
  2. Step 2: Convert to fraction form
    6,552.20/9,820.56 = 6,479.12/x
  3. Step 3: Cross multiply
    6,552.20x = 9,820.56 × 6,479.12
  4. Step 4: Simplify right side
    6,552.20x = 63,628,586.71
  5. Step 5: Solve for x
    x = 63,628,586.71/6,552.20
  6. Step 6: Final answer
    x = 9,711.03

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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.