Home / 5,398.03-8,078.75-3,319.35

Finding the Fourth Proportional to 5,398.03, 8,078.75 and 3,319.35

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Solution

The fourth proportional to 5,398.03, 8,078.75 and 3,319.35 is: 4,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.03 : 8,078.75 = 3,319.35 : x
  2. Step 2: Convert to fraction form
    5,398.03/8,078.75 = 3,319.35/x
  3. Step 3: Cross multiply
    5,398.03x = 8,078.75 × 3,319.35
  4. Step 4: Simplify right side
    5,398.03x = 26,816,182.76
  5. Step 5: Solve for x
    x = 26,816,182.76/5,398.03
  6. Step 6: Final answer
    x = 4,967.77

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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.