Home / 7,521.36-11,283.24-2,589.78

Finding the Fourth Proportional to 7,521.36, 11,283.24 and 2,589.78

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Solution

The fourth proportional to 7,521.36, 11,283.24 and 2,589.78 is: 3,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.36 : 11,283.24 = 2,589.78 : x
  2. Step 2: Convert to fraction form
    7,521.36/11,283.24 = 2,589.78/x
  3. Step 3: Cross multiply
    7,521.36x = 11,283.24 × 2,589.78
  4. Step 4: Simplify right side
    7,521.36x = 29,221,109.29
  5. Step 5: Solve for x
    x = 29,221,109.29/7,521.36
  6. Step 6: Final answer
    x = 3,885.08

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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.