Home / 6,228.78-9,297.57-5,490.69

Finding the Fourth Proportional to 6,228.78, 9,297.57 and 5,490.69

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Solution

The fourth proportional to 6,228.78, 9,297.57 and 5,490.69 is: 8,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.78 : 9,297.57 = 5,490.69 : x
  2. Step 2: Convert to fraction form
    6,228.78/9,297.57 = 5,490.69/x
  3. Step 3: Cross multiply
    6,228.78x = 9,297.57 × 5,490.69
  4. Step 4: Simplify right side
    6,228.78x = 51,050,074.62
  5. Step 5: Solve for x
    x = 51,050,074.62/6,228.78
  6. Step 6: Final answer
    x = 8,195.84

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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.