Home / 5,168.81-7,753.29-1,273.22

Finding the Fourth Proportional to 5,168.81, 7,753.29 and 1,273.22

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Solution

The fourth proportional to 5,168.81, 7,753.29 and 1,273.22 is: 1,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.81 : 7,753.29 = 1,273.22 : x
  2. Step 2: Convert to fraction form
    5,168.81/7,753.29 = 1,273.22/x
  3. Step 3: Cross multiply
    5,168.81x = 7,753.29 × 1,273.22
  4. Step 4: Simplify right side
    5,168.81x = 9,871,640.17
  5. Step 5: Solve for x
    x = 9,871,640.17/5,168.81
  6. Step 6: Final answer
    x = 1,909.85

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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.