Home / 5,293.19-7,939.59-2,521.78

Finding the Fourth Proportional to 5,293.19, 7,939.59 and 2,521.78

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Solution

The fourth proportional to 5,293.19, 7,939.59 and 2,521.78 is: 3,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.19 : 7,939.59 = 2,521.78 : x
  2. Step 2: Convert to fraction form
    5,293.19/7,939.59 = 2,521.78/x
  3. Step 3: Cross multiply
    5,293.19x = 7,939.59 × 2,521.78
  4. Step 4: Simplify right side
    5,293.19x = 20,021,869.96
  5. Step 5: Solve for x
    x = 20,021,869.96/5,293.19
  6. Step 6: Final answer
    x = 3,782.57

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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.