Home / 7,217.23-10,831.29-4,871.68

Finding the Fourth Proportional to 7,217.23, 10,831.29 and 4,871.68

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Solution

The fourth proportional to 7,217.23, 10,831.29 and 4,871.68 is: 7,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.23 : 10,831.29 = 4,871.68 : x
  2. Step 2: Convert to fraction form
    7,217.23/10,831.29 = 4,871.68/x
  3. Step 3: Cross multiply
    7,217.23x = 10,831.29 × 4,871.68
  4. Step 4: Simplify right side
    7,217.23x = 52,766,578.87
  5. Step 5: Solve for x
    x = 52,766,578.87/7,217.23
  6. Step 6: Final answer
    x = 7,311.20

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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.