Home / 7,315.67-10,973.85-2,385.30

Finding the Fourth Proportional to 7,315.67, 10,973.85 and 2,385.30

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Solution

The fourth proportional to 7,315.67, 10,973.85 and 2,385.30 is: 3,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.67 : 10,973.85 = 2,385.30 : x
  2. Step 2: Convert to fraction form
    7,315.67/10,973.85 = 2,385.30/x
  3. Step 3: Cross multiply
    7,315.67x = 10,973.85 × 2,385.30
  4. Step 4: Simplify right side
    7,315.67x = 26,175,869.54
  5. Step 5: Solve for x
    x = 26,175,869.54/7,315.67
  6. Step 6: Final answer
    x = 3,578.06

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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.