Home / 5,877.92-8,111.40-3,782.04

Finding the Fourth Proportional to 5,877.92, 8,111.40 and 3,782.04

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Solution

The fourth proportional to 5,877.92, 8,111.40 and 3,782.04 is: 5,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.92 : 8,111.40 = 3,782.04 : x
  2. Step 2: Convert to fraction form
    5,877.92/8,111.40 = 3,782.04/x
  3. Step 3: Cross multiply
    5,877.92x = 8,111.40 × 3,782.04
  4. Step 4: Simplify right side
    5,877.92x = 30,677,639.26
  5. Step 5: Solve for x
    x = 30,677,639.26/5,877.92
  6. Step 6: Final answer
    x = 5,219.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.