Home / 6,960.30-10,445.49-2,578.38

Finding the Fourth Proportional to 6,960.30, 10,445.49 and 2,578.38

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Solution

The fourth proportional to 6,960.30, 10,445.49 and 2,578.38 is: 3,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.30 : 10,445.49 = 2,578.38 : x
  2. Step 2: Convert to fraction form
    6,960.30/10,445.49 = 2,578.38/x
  3. Step 3: Cross multiply
    6,960.30x = 10,445.49 × 2,578.38
  4. Step 4: Simplify right side
    6,960.30x = 26,932,442.51
  5. Step 5: Solve for x
    x = 26,932,442.51/6,960.30
  6. Step 6: Final answer
    x = 3,869.44

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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.