Home / 6,743.60-10,115.40-4,410.80

Finding the Fourth Proportional to 6,743.60, 10,115.40 and 4,410.80

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Solution

The fourth proportional to 6,743.60, 10,115.40 and 4,410.80 is: 6,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.60 : 10,115.40 = 4,410.80 : x
  2. Step 2: Convert to fraction form
    6,743.60/10,115.40 = 4,410.80/x
  3. Step 3: Cross multiply
    6,743.60x = 10,115.40 × 4,410.80
  4. Step 4: Simplify right side
    6,743.60x = 44,617,006.32
  5. Step 5: Solve for x
    x = 44,617,006.32/6,743.60
  6. Step 6: Final answer
    x = 6,616.20

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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.