Home / 6,829.20-10,243.80-5,677.20

Finding the Fourth Proportional to 6,829.20, 10,243.80 and 5,677.20

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Solution

The fourth proportional to 6,829.20, 10,243.80 and 5,677.20 is: 8,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.20 : 10,243.80 = 5,677.20 : x
  2. Step 2: Convert to fraction form
    6,829.20/10,243.80 = 5,677.20/x
  3. Step 3: Cross multiply
    6,829.20x = 10,243.80 × 5,677.20
  4. Step 4: Simplify right side
    6,829.20x = 58,156,101.36
  5. Step 5: Solve for x
    x = 58,156,101.36/6,829.20
  6. Step 6: Final answer
    x = 8,515.80

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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.