Home / 6,780.28-10,110.76-6,241.72

Finding the Fourth Proportional to 6,780.28, 10,110.76 and 6,241.72

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Solution

The fourth proportional to 6,780.28, 10,110.76 and 6,241.72 is: 9,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.28 : 10,110.76 = 6,241.72 : x
  2. Step 2: Convert to fraction form
    6,780.28/10,110.76 = 6,241.72/x
  3. Step 3: Cross multiply
    6,780.28x = 10,110.76 × 6,241.72
  4. Step 4: Simplify right side
    6,780.28x = 63,108,532.91
  5. Step 5: Solve for x
    x = 63,108,532.91/6,780.28
  6. Step 6: Final answer
    x = 9,307.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.