Home / 6,678.53-10,004.37-3,115.61

Finding the Fourth Proportional to 6,678.53, 10,004.37 and 3,115.61

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Solution

The fourth proportional to 6,678.53, 10,004.37 and 3,115.61 is: 4,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.53 : 10,004.37 = 3,115.61 : x
  2. Step 2: Convert to fraction form
    6,678.53/10,004.37 = 3,115.61/x
  3. Step 3: Cross multiply
    6,678.53x = 10,004.37 × 3,115.61
  4. Step 4: Simplify right side
    6,678.53x = 31,169,665.19
  5. Step 5: Solve for x
    x = 31,169,665.19/6,678.53
  6. Step 6: Final answer
    x = 4,667.15

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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.