Home / 6,348.28-8,761.18-4,220.08

Finding the Fourth Proportional to 6,348.28, 8,761.18 and 4,220.08

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Solution

The fourth proportional to 6,348.28, 8,761.18 and 4,220.08 is: 5,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.28 : 8,761.18 = 4,220.08 : x
  2. Step 2: Convert to fraction form
    6,348.28/8,761.18 = 4,220.08/x
  3. Step 3: Cross multiply
    6,348.28x = 8,761.18 × 4,220.08
  4. Step 4: Simplify right side
    6,348.28x = 36,972,880.49
  5. Step 5: Solve for x
    x = 36,972,880.49/6,348.28
  6. Step 6: Final answer
    x = 5,824.08

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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.