Home / 6,817.68-10,223.28-3,118.80

Finding the Fourth Proportional to 6,817.68, 10,223.28 and 3,118.80

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Solution

The fourth proportional to 6,817.68, 10,223.28 and 3,118.80 is: 4,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.68 : 10,223.28 = 3,118.80 : x
  2. Step 2: Convert to fraction form
    6,817.68/10,223.28 = 3,118.80/x
  3. Step 3: Cross multiply
    6,817.68x = 10,223.28 × 3,118.80
  4. Step 4: Simplify right side
    6,817.68x = 31,884,365.66
  5. Step 5: Solve for x
    x = 31,884,365.66/6,817.68
  6. Step 6: Final answer
    x = 4,676.72

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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.