Home / 5,155.48-7,733.91-2,521.19

Finding the Fourth Proportional to 5,155.48, 7,733.91 and 2,521.19

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Solution

The fourth proportional to 5,155.48, 7,733.91 and 2,521.19 is: 3,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.48 : 7,733.91 = 2,521.19 : x
  2. Step 2: Convert to fraction form
    5,155.48/7,733.91 = 2,521.19/x
  3. Step 3: Cross multiply
    5,155.48x = 7,733.91 × 2,521.19
  4. Step 4: Simplify right side
    5,155.48x = 19,498,685.34
  5. Step 5: Solve for x
    x = 19,498,685.34/5,155.48
  6. Step 6: Final answer
    x = 3,782.13

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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.