Home / 5,125.68-7,688.48-2,351.57

Finding the Fourth Proportional to 5,125.68, 7,688.48 and 2,351.57

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Solution

The fourth proportional to 5,125.68, 7,688.48 and 2,351.57 is: 3,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.68 : 7,688.48 = 2,351.57 : x
  2. Step 2: Convert to fraction form
    5,125.68/7,688.48 = 2,351.57/x
  3. Step 3: Cross multiply
    5,125.68x = 7,688.48 × 2,351.57
  4. Step 4: Simplify right side
    5,125.68x = 18,079,948.71
  5. Step 5: Solve for x
    x = 18,079,948.71/5,125.68
  6. Step 6: Final answer
    x = 3,527.33

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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.