Home / 5,127.87-7,685.84-2,354.84

Finding the Fourth Proportional to 5,127.87, 7,685.84 and 2,354.84

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Solution

The fourth proportional to 5,127.87, 7,685.84 and 2,354.84 is: 3,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.87 : 7,685.84 = 2,354.84 : x
  2. Step 2: Convert to fraction form
    5,127.87/7,685.84 = 2,354.84/x
  3. Step 3: Cross multiply
    5,127.87x = 7,685.84 × 2,354.84
  4. Step 4: Simplify right side
    5,127.87x = 18,098,873.26
  5. Step 5: Solve for x
    x = 18,098,873.26/5,127.87
  6. Step 6: Final answer
    x = 3,529.51

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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.