Home / 6,881.62-10,318.94-2,931.35

Finding the Fourth Proportional to 6,881.62, 10,318.94 and 2,931.35

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Solution

The fourth proportional to 6,881.62, 10,318.94 and 2,931.35 is: 4,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.62 : 10,318.94 = 2,931.35 : x
  2. Step 2: Convert to fraction form
    6,881.62/10,318.94 = 2,931.35/x
  3. Step 3: Cross multiply
    6,881.62x = 10,318.94 × 2,931.35
  4. Step 4: Simplify right side
    6,881.62x = 30,248,410.11
  5. Step 5: Solve for x
    x = 30,248,410.11/6,881.62
  6. Step 6: Final answer
    x = 4,395.54

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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.