Home / 5,216.74-7,825.10-1,519.08

Finding the Fourth Proportional to 5,216.74, 7,825.10 and 1,519.08

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Solution

The fourth proportional to 5,216.74, 7,825.10 and 1,519.08 is: 2,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.74 : 7,825.10 = 1,519.08 : x
  2. Step 2: Convert to fraction form
    5,216.74/7,825.10 = 1,519.08/x
  3. Step 3: Cross multiply
    5,216.74x = 7,825.10 × 1,519.08
  4. Step 4: Simplify right side
    5,216.74x = 11,886,952.91
  5. Step 5: Solve for x
    x = 11,886,952.91/5,216.74
  6. Step 6: Final answer
    x = 2,278.62

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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.