Home / 5,909.90-8,862.48-2,620.76

Finding the Fourth Proportional to 5,909.90, 8,862.48 and 2,620.76

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Solution

The fourth proportional to 5,909.90, 8,862.48 and 2,620.76 is: 3,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.90 : 8,862.48 = 2,620.76 : x
  2. Step 2: Convert to fraction form
    5,909.90/8,862.48 = 2,620.76/x
  3. Step 3: Cross multiply
    5,909.90x = 8,862.48 × 2,620.76
  4. Step 4: Simplify right side
    5,909.90x = 23,226,388.77
  5. Step 5: Solve for x
    x = 23,226,388.77/5,909.90
  6. Step 6: Final answer
    x = 3,930.08

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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.