Home / 4,687.62-7,031.34-2,716.20

Finding the Fourth Proportional to 4,687.62, 7,031.34 and 2,716.20

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Solution

The fourth proportional to 4,687.62, 7,031.34 and 2,716.20 is: 4,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.62 : 7,031.34 = 2,716.20 : x
  2. Step 2: Convert to fraction form
    4,687.62/7,031.34 = 2,716.20/x
  3. Step 3: Cross multiply
    4,687.62x = 7,031.34 × 2,716.20
  4. Step 4: Simplify right side
    4,687.62x = 19,098,525.71
  5. Step 5: Solve for x
    x = 19,098,525.71/4,687.62
  6. Step 6: Final answer
    x = 4,074.25

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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.