Home / 6,760.60-10,140.90-4,427.80

Finding the Fourth Proportional to 6,760.60, 10,140.90 and 4,427.80

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Solution

The fourth proportional to 6,760.60, 10,140.90 and 4,427.80 is: 6,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.60 : 10,140.90 = 4,427.80 : x
  2. Step 2: Convert to fraction form
    6,760.60/10,140.90 = 4,427.80/x
  3. Step 3: Cross multiply
    6,760.60x = 10,140.90 × 4,427.80
  4. Step 4: Simplify right side
    6,760.60x = 44,901,877.02
  5. Step 5: Solve for x
    x = 44,901,877.02/6,760.60
  6. Step 6: Final answer
    x = 6,641.70

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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.