Home / 5,168.49-7,132.53-2,810.62

Finding the Fourth Proportional to 5,168.49, 7,132.53 and 2,810.62

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Solution

The fourth proportional to 5,168.49, 7,132.53 and 2,810.62 is: 3,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.49 : 7,132.53 = 2,810.62 : x
  2. Step 2: Convert to fraction form
    5,168.49/7,132.53 = 2,810.62/x
  3. Step 3: Cross multiply
    5,168.49x = 7,132.53 × 2,810.62
  4. Step 4: Simplify right side
    5,168.49x = 20,046,831.47
  5. Step 5: Solve for x
    x = 20,046,831.47/5,168.49
  6. Step 6: Final answer
    x = 3,878.66

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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.