Home / 4,146.80-6,220.80-1,225.13

Finding the Fourth Proportional to 4,146.80, 6,220.80 and 1,225.13

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Solution

The fourth proportional to 4,146.80, 6,220.80 and 1,225.13 is: 1,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.80 : 6,220.80 = 1,225.13 : x
  2. Step 2: Convert to fraction form
    4,146.80/6,220.80 = 1,225.13/x
  3. Step 3: Cross multiply
    4,146.80x = 6,220.80 × 1,225.13
  4. Step 4: Simplify right side
    4,146.80x = 7,621,257.60
  5. Step 5: Solve for x
    x = 7,621,257.60/4,146.80
  6. Step 6: Final answer
    x = 1,837.87

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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.