Home / 6,919.20-10,378.98-2,535.48

Finding the Fourth Proportional to 6,919.20, 10,378.98 and 2,535.48

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Solution

The fourth proportional to 6,919.20, 10,378.98 and 2,535.48 is: 3,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.20 : 10,378.98 = 2,535.48 : x
  2. Step 2: Convert to fraction form
    6,919.20/10,378.98 = 2,535.48/x
  3. Step 3: Cross multiply
    6,919.20x = 10,378.98 × 2,535.48
  4. Step 4: Simplify right side
    6,919.20x = 26,315,696.21
  5. Step 5: Solve for x
    x = 26,315,696.21/6,919.20
  6. Step 6: Final answer
    x = 3,803.29

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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.