Home / 4,233.40-6,355.80-2,480.20

Finding the Fourth Proportional to 4,233.40, 6,355.80 and 2,480.20

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Solution

The fourth proportional to 4,233.40, 6,355.80 and 2,480.20 is: 3,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.40 : 6,355.80 = 2,480.20 : x
  2. Step 2: Convert to fraction form
    4,233.40/6,355.80 = 2,480.20/x
  3. Step 3: Cross multiply
    4,233.40x = 6,355.80 × 2,480.20
  4. Step 4: Simplify right side
    4,233.40x = 15,763,655.16
  5. Step 5: Solve for x
    x = 15,763,655.16/4,233.40
  6. Step 6: Final answer
    x = 3,723.64

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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.