Home / 4,152.80-6,227.28-1,230.08

Finding the Fourth Proportional to 4,152.80, 6,227.28 and 1,230.08

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Solution

The fourth proportional to 4,152.80, 6,227.28 and 1,230.08 is: 1,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.80 : 6,227.28 = 1,230.08 : x
  2. Step 2: Convert to fraction form
    4,152.80/6,227.28 = 1,230.08/x
  3. Step 3: Cross multiply
    4,152.80x = 6,227.28 × 1,230.08
  4. Step 4: Simplify right side
    4,152.80x = 7,660,052.58
  5. Step 5: Solve for x
    x = 7,660,052.58/4,152.80
  6. Step 6: Final answer
    x = 1,844.55

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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.