Home / 7,489.68-11,217.51-4,561.53

Finding the Fourth Proportional to 7,489.68, 11,217.51 and 4,561.53

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Solution

The fourth proportional to 7,489.68, 11,217.51 and 4,561.53 is: 6,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.68 : 11,217.51 = 4,561.53 : x
  2. Step 2: Convert to fraction form
    7,489.68/11,217.51 = 4,561.53/x
  3. Step 3: Cross multiply
    7,489.68x = 11,217.51 × 4,561.53
  4. Step 4: Simplify right side
    7,489.68x = 51,169,008.39
  5. Step 5: Solve for x
    x = 51,169,008.39/7,489.68
  6. Step 6: Final answer
    x = 6,831.94

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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.