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Finding the Fourth Proportional to 6,228.78, 9,343.14 and 5,917.32

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Solution

The fourth proportional to 6,228.78, 9,343.14 and 5,917.32 is: 8,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.78 : 9,343.14 = 5,917.32 : x
  2. Step 2: Convert to fraction form
    6,228.78/9,343.14 = 5,917.32/x
  3. Step 3: Cross multiply
    6,228.78x = 9,343.14 × 5,917.32
  4. Step 4: Simplify right side
    6,228.78x = 55,286,349.18
  5. Step 5: Solve for x
    x = 55,286,349.18/6,228.78
  6. Step 6: Final answer
    x = 8,875.95

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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.