Home / 4,480.19-6,686.41-4,363.55

Finding the Fourth Proportional to 4,480.19, 6,686.41 and 4,363.55

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Solution

The fourth proportional to 4,480.19, 6,686.41 and 4,363.55 is: 6,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.19 : 6,686.41 = 4,363.55 : x
  2. Step 2: Convert to fraction form
    4,480.19/6,686.41 = 4,363.55/x
  3. Step 3: Cross multiply
    4,480.19x = 6,686.41 × 4,363.55
  4. Step 4: Simplify right side
    4,480.19x = 29,176,490.16
  5. Step 5: Solve for x
    x = 29,176,490.16/4,480.19
  6. Step 6: Final answer
    x = 6,512.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.