Home / 7,898.58-11,851.92-3,519.18

Finding the Fourth Proportional to 7,898.58, 11,851.92 and 3,519.18

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Solution

The fourth proportional to 7,898.58, 11,851.92 and 3,519.18 is: 5,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.58 : 11,851.92 = 3,519.18 : x
  2. Step 2: Convert to fraction form
    7,898.58/11,851.92 = 3,519.18/x
  3. Step 3: Cross multiply
    7,898.58x = 11,851.92 × 3,519.18
  4. Step 4: Simplify right side
    7,898.58x = 41,709,039.83
  5. Step 5: Solve for x
    x = 41,709,039.83/7,898.58
  6. Step 6: Final answer
    x = 5,280.57

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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.