Home / 4,790.20-7,185.30-1,503.28

Finding the Fourth Proportional to 4,790.20, 7,185.30 and 1,503.28

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Solution

The fourth proportional to 4,790.20, 7,185.30 and 1,503.28 is: 2,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.20 : 7,185.30 = 1,503.28 : x
  2. Step 2: Convert to fraction form
    4,790.20/7,185.30 = 1,503.28/x
  3. Step 3: Cross multiply
    4,790.20x = 7,185.30 × 1,503.28
  4. Step 4: Simplify right side
    4,790.20x = 10,801,517.78
  5. Step 5: Solve for x
    x = 10,801,517.78/4,790.20
  6. Step 6: Final answer
    x = 2,254.92

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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.