Home / 5,310.80-7,966.20-4,824.80

Finding the Fourth Proportional to 5,310.80, 7,966.20 and 4,824.80

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Solution

The fourth proportional to 5,310.80, 7,966.20 and 4,824.80 is: 7,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.80 : 7,966.20 = 4,824.80 : x
  2. Step 2: Convert to fraction form
    5,310.80/7,966.20 = 4,824.80/x
  3. Step 3: Cross multiply
    5,310.80x = 7,966.20 × 4,824.80
  4. Step 4: Simplify right side
    5,310.80x = 38,435,321.76
  5. Step 5: Solve for x
    x = 38,435,321.76/5,310.80
  6. Step 6: Final answer
    x = 7,237.20

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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.