Home / 5,272.20-7,884.54-4,690.62

Finding the Fourth Proportional to 5,272.20, 7,884.54 and 4,690.62

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Solution

The fourth proportional to 5,272.20, 7,884.54 and 4,690.62 is: 7,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.20 : 7,884.54 = 4,690.62 : x
  2. Step 2: Convert to fraction form
    5,272.20/7,884.54 = 4,690.62/x
  3. Step 3: Cross multiply
    5,272.20x = 7,884.54 × 4,690.62
  4. Step 4: Simplify right side
    5,272.20x = 36,983,381.01
  5. Step 5: Solve for x
    x = 36,983,381.01/5,272.20
  6. Step 6: Final answer
    x = 7,014.79

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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.