Home / 5,144.68-7,717.98-1,684.36

Finding the Fourth Proportional to 5,144.68, 7,717.98 and 1,684.36

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Solution

The fourth proportional to 5,144.68, 7,717.98 and 1,684.36 is: 2,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.68 : 7,717.98 = 1,684.36 : x
  2. Step 2: Convert to fraction form
    5,144.68/7,717.98 = 1,684.36/x
  3. Step 3: Cross multiply
    5,144.68x = 7,717.98 × 1,684.36
  4. Step 4: Simplify right side
    5,144.68x = 12,999,856.79
  5. Step 5: Solve for x
    x = 12,999,856.79/5,144.68
  6. Step 6: Final answer
    x = 2,526.85

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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.