Home / 5,178.06-7,767.03-1,480.28

Finding the Fourth Proportional to 5,178.06, 7,767.03 and 1,480.28

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Solution

The fourth proportional to 5,178.06, 7,767.03 and 1,480.28 is: 2,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.06 : 7,767.03 = 1,480.28 : x
  2. Step 2: Convert to fraction form
    5,178.06/7,767.03 = 1,480.28/x
  3. Step 3: Cross multiply
    5,178.06x = 7,767.03 × 1,480.28
  4. Step 4: Simplify right side
    5,178.06x = 11,497,340.33
  5. Step 5: Solve for x
    x = 11,497,340.33/5,178.06
  6. Step 6: Final answer
    x = 2,220.40

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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.