Home / 6,220.76-9,303.30-5,531.72

Finding the Fourth Proportional to 6,220.76, 9,303.30 and 5,531.72

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Solution

The fourth proportional to 6,220.76, 9,303.30 and 5,531.72 is: 8,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.76 : 9,303.30 = 5,531.72 : x
  2. Step 2: Convert to fraction form
    6,220.76/9,303.30 = 5,531.72/x
  3. Step 3: Cross multiply
    6,220.76x = 9,303.30 × 5,531.72
  4. Step 4: Simplify right side
    6,220.76x = 51,463,250.68
  5. Step 5: Solve for x
    x = 51,463,250.68/6,220.76
  6. Step 6: Final answer
    x = 8,272.82

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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.