Home / 5,103.87-7,655.94-2,637.15

Finding the Fourth Proportional to 5,103.87, 7,655.94 and 2,637.15

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Solution

The fourth proportional to 5,103.87, 7,655.94 and 2,637.15 is: 3,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.87 : 7,655.94 = 2,637.15 : x
  2. Step 2: Convert to fraction form
    5,103.87/7,655.94 = 2,637.15/x
  3. Step 3: Cross multiply
    5,103.87x = 7,655.94 × 2,637.15
  4. Step 4: Simplify right side
    5,103.87x = 20,189,862.17
  5. Step 5: Solve for x
    x = 20,189,862.17/5,103.87
  6. Step 6: Final answer
    x = 3,955.79

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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.