Home / 5,245.20-7,242.75-4,684.68

Finding the Fourth Proportional to 5,245.20, 7,242.75 and 4,684.68

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Solution

The fourth proportional to 5,245.20, 7,242.75 and 4,684.68 is: 6,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.20 : 7,242.75 = 4,684.68 : x
  2. Step 2: Convert to fraction form
    5,245.20/7,242.75 = 4,684.68/x
  3. Step 3: Cross multiply
    5,245.20x = 7,242.75 × 4,684.68
  4. Step 4: Simplify right side
    5,245.20x = 33,929,966.07
  5. Step 5: Solve for x
    x = 33,929,966.07/5,245.20
  6. Step 6: Final answer
    x = 6,468.76

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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.