Home / 10,480.88-15,722.80-3,084.32

Finding the Fourth Proportional to 10,480.88, 15,722.80 and 3,084.32

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Solution

The fourth proportional to 10,480.88, 15,722.80 and 3,084.32 is: 4,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.88 : 15,722.80 = 3,084.32 : x
  2. Step 2: Convert to fraction form
    10,480.88/15,722.80 = 3,084.32/x
  3. Step 3: Cross multiply
    10,480.88x = 15,722.80 × 3,084.32
  4. Step 4: Simplify right side
    10,480.88x = 48,494,146.50
  5. Step 5: Solve for x
    x = 48,494,146.50/10,480.88
  6. Step 6: Final answer
    x = 4,626.92

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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.