Home / 4,152.09-6,229.80-1,687.10

Finding the Fourth Proportional to 4,152.09, 6,229.80 and 1,687.10

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Solution

The fourth proportional to 4,152.09, 6,229.80 and 1,687.10 is: 2,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.09 : 6,229.80 = 1,687.10 : x
  2. Step 2: Convert to fraction form
    4,152.09/6,229.80 = 1,687.10/x
  3. Step 3: Cross multiply
    4,152.09x = 6,229.80 × 1,687.10
  4. Step 4: Simplify right side
    4,152.09x = 10,510,295.58
  5. Step 5: Solve for x
    x = 10,510,295.58/4,152.09
  6. Step 6: Final answer
    x = 2,531.33

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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.