Home / 6,875.12-10,310.34-2,491.58

Finding the Fourth Proportional to 6,875.12, 10,310.34 and 2,491.58

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Solution

The fourth proportional to 6,875.12, 10,310.34 and 2,491.58 is: 3,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.12 : 10,310.34 = 2,491.58 : x
  2. Step 2: Convert to fraction form
    6,875.12/10,310.34 = 2,491.58/x
  3. Step 3: Cross multiply
    6,875.12x = 10,310.34 × 2,491.58
  4. Step 4: Simplify right side
    6,875.12x = 25,689,036.94
  5. Step 5: Solve for x
    x = 25,689,036.94/6,875.12
  6. Step 6: Final answer
    x = 3,736.52

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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.