Home / 6,778.98-10,153.66-2,818.23

Finding the Fourth Proportional to 6,778.98, 10,153.66 and 2,818.23

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Solution

The fourth proportional to 6,778.98, 10,153.66 and 2,818.23 is: 4,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.98 : 10,153.66 = 2,818.23 : x
  2. Step 2: Convert to fraction form
    6,778.98/10,153.66 = 2,818.23/x
  3. Step 3: Cross multiply
    6,778.98x = 10,153.66 × 2,818.23
  4. Step 4: Simplify right side
    6,778.98x = 28,615,349.22
  5. Step 5: Solve for x
    x = 28,615,349.22/6,778.98
  6. Step 6: Final answer
    x = 4,221.19

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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.