Home / 6,864.19-10,288.32-3,158.64

Finding the Fourth Proportional to 6,864.19, 10,288.32 and 3,158.64

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Solution

The fourth proportional to 6,864.19, 10,288.32 and 3,158.64 is: 4,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.19 : 10,288.32 = 3,158.64 : x
  2. Step 2: Convert to fraction form
    6,864.19/10,288.32 = 3,158.64/x
  3. Step 3: Cross multiply
    6,864.19x = 10,288.32 × 3,158.64
  4. Step 4: Simplify right side
    6,864.19x = 32,497,099.08
  5. Step 5: Solve for x
    x = 32,497,099.08/6,864.19
  6. Step 6: Final answer
    x = 4,734.29

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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.