Home / 7,246-10,868.76-2,315.92

Finding the Fourth Proportional to 7,246, 10,868.76 and 2,315.92

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Solution

The fourth proportional to 7,246, 10,868.76 and 2,315.92 is: 3,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246 : 10,868.76 = 2,315.92 : x
  2. Step 2: Convert to fraction form
    7,246/10,868.76 = 2,315.92/x
  3. Step 3: Cross multiply
    7,246x = 10,868.76 × 2,315.92
  4. Step 4: Simplify right side
    7,246x = 25,171,178.66
  5. Step 5: Solve for x
    x = 25,171,178.66/7,246
  6. Step 6: Final answer
    x = 3,473.80

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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.