Home / 5,706.30-7,873.77-3,188.28

Finding the Fourth Proportional to 5,706.30, 7,873.77 and 3,188.28

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Solution

The fourth proportional to 5,706.30, 7,873.77 and 3,188.28 is: 4,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.30 : 7,873.77 = 3,188.28 : x
  2. Step 2: Convert to fraction form
    5,706.30/7,873.77 = 3,188.28/x
  3. Step 3: Cross multiply
    5,706.30x = 7,873.77 × 3,188.28
  4. Step 4: Simplify right side
    5,706.30x = 25,103,780.61
  5. Step 5: Solve for x
    x = 25,103,780.61/5,706.30
  6. Step 6: Final answer
    x = 4,399.31

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1.5x scale

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.