Home / 5,708.60-7,876.02-3,351.32

Finding the Fourth Proportional to 5,708.60, 7,876.02 and 3,351.32

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Solution

The fourth proportional to 5,708.60, 7,876.02 and 3,351.32 is: 4,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.60 : 7,876.02 = 3,351.32 : x
  2. Step 2: Convert to fraction form
    5,708.60/7,876.02 = 3,351.32/x
  3. Step 3: Cross multiply
    5,708.60x = 7,876.02 × 3,351.32
  4. Step 4: Simplify right side
    5,708.60x = 26,395,063.35
  5. Step 5: Solve for x
    x = 26,395,063.35/5,708.60
  6. Step 6: Final answer
    x = 4,623.74

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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.