Home / 6,747.04-10,120.80-6,205.76

Finding the Fourth Proportional to 6,747.04, 10,120.80 and 6,205.76

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Solution

The fourth proportional to 6,747.04, 10,120.80 and 6,205.76 is: 9,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.04 : 10,120.80 = 6,205.76 : x
  2. Step 2: Convert to fraction form
    6,747.04/10,120.80 = 6,205.76/x
  3. Step 3: Cross multiply
    6,747.04x = 10,120.80 × 6,205.76
  4. Step 4: Simplify right side
    6,747.04x = 62,807,255.81
  5. Step 5: Solve for x
    x = 62,807,255.81/6,747.04
  6. Step 6: Final answer
    x = 9,308.86

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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.