Home / 6,875.40-10,313.10-2,491.41

Finding the Fourth Proportional to 6,875.40, 10,313.10 and 2,491.41

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Solution

The fourth proportional to 6,875.40, 10,313.10 and 2,491.41 is: 3,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.40 : 10,313.10 = 2,491.41 : x
  2. Step 2: Convert to fraction form
    6,875.40/10,313.10 = 2,491.41/x
  3. Step 3: Cross multiply
    6,875.40x = 10,313.10 × 2,491.41
  4. Step 4: Simplify right side
    6,875.40x = 25,694,160.47
  5. Step 5: Solve for x
    x = 25,694,160.47/6,875.40
  6. Step 6: Final answer
    x = 3,737.12

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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.