Home / 6,242.54-9,356.78-3,117.84

Finding the Fourth Proportional to 6,242.54, 9,356.78 and 3,117.84

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Solution

The fourth proportional to 6,242.54, 9,356.78 and 3,117.84 is: 4,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.54 : 9,356.78 = 3,117.84 : x
  2. Step 2: Convert to fraction form
    6,242.54/9,356.78 = 3,117.84/x
  3. Step 3: Cross multiply
    6,242.54x = 9,356.78 × 3,117.84
  4. Step 4: Simplify right side
    6,242.54x = 29,172,942.96
  5. Step 5: Solve for x
    x = 29,172,942.96/6,242.54
  6. Step 6: Final answer
    x = 4,673.25

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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.