Home / 5,061.85-6,989.76-3,176.71

Finding the Fourth Proportional to 5,061.85, 6,989.76 and 3,176.71

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Solution

The fourth proportional to 5,061.85, 6,989.76 and 3,176.71 is: 4,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.85 : 6,989.76 = 3,176.71 : x
  2. Step 2: Convert to fraction form
    5,061.85/6,989.76 = 3,176.71/x
  3. Step 3: Cross multiply
    5,061.85x = 6,989.76 × 3,176.71
  4. Step 4: Simplify right side
    5,061.85x = 22,204,440.49
  5. Step 5: Solve for x
    x = 22,204,440.49/5,061.85
  6. Step 6: Final answer
    x = 4,386.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.