Home / 7,317.17-10,976.90-2,385.66

Finding the Fourth Proportional to 7,317.17, 10,976.90 and 2,385.66

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Solution

The fourth proportional to 7,317.17, 10,976.90 and 2,385.66 is: 3,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.17 : 10,976.90 = 2,385.66 : x
  2. Step 2: Convert to fraction form
    7,317.17/10,976.90 = 2,385.66/x
  3. Step 3: Cross multiply
    7,317.17x = 10,976.90 × 2,385.66
  4. Step 4: Simplify right side
    7,317.17x = 26,187,139.33
  5. Step 5: Solve for x
    x = 26,187,139.33/7,317.17
  6. Step 6: Final answer
    x = 3,578.86

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1.5x scale

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.