Home / 4,480.27-6,189.30-3,307.81

Finding the Fourth Proportional to 4,480.27, 6,189.30 and 3,307.81

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Solution

The fourth proportional to 4,480.27, 6,189.30 and 3,307.81 is: 4,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.27 : 6,189.30 = 3,307.81 : x
  2. Step 2: Convert to fraction form
    4,480.27/6,189.30 = 3,307.81/x
  3. Step 3: Cross multiply
    4,480.27x = 6,189.30 × 3,307.81
  4. Step 4: Simplify right side
    4,480.27x = 20,473,028.43
  5. Step 5: Solve for x
    x = 20,473,028.43/4,480.27
  6. Step 6: Final answer
    x = 4,569.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.