Home / 6,778.53-10,121.66-5,981.25

Finding the Fourth Proportional to 6,778.53, 10,121.66 and 5,981.25

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Solution

The fourth proportional to 6,778.53, 10,121.66 and 5,981.25 is: 8,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.53 : 10,121.66 = 5,981.25 : x
  2. Step 2: Convert to fraction form
    6,778.53/10,121.66 = 5,981.25/x
  3. Step 3: Cross multiply
    6,778.53x = 10,121.66 × 5,981.25
  4. Step 4: Simplify right side
    6,778.53x = 60,540,193.83
  5. Step 5: Solve for x
    x = 60,540,193.83/6,778.53
  6. Step 6: Final answer
    x = 8,931.17

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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.