Home / 6,856.79-10,281.50-2,175.53

Finding the Fourth Proportional to 6,856.79, 10,281.50 and 2,175.53

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Solution

The fourth proportional to 6,856.79, 10,281.50 and 2,175.53 is: 3,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.79 : 10,281.50 = 2,175.53 : x
  2. Step 2: Convert to fraction form
    6,856.79/10,281.50 = 2,175.53/x
  3. Step 3: Cross multiply
    6,856.79x = 10,281.50 × 2,175.53
  4. Step 4: Simplify right side
    6,856.79x = 22,367,657.57
  5. Step 5: Solve for x
    x = 22,367,657.57/6,856.79
  6. Step 6: Final answer
    x = 3,262.12

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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.