Home / 8,897.25-13,347.77-2,657.75

Finding the Fourth Proportional to 8,897.25, 13,347.77 and 2,657.75

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Solution

The fourth proportional to 8,897.25, 13,347.77 and 2,657.75 is: 3,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.25 : 13,347.77 = 2,657.75 : x
  2. Step 2: Convert to fraction form
    8,897.25/13,347.77 = 2,657.75/x
  3. Step 3: Cross multiply
    8,897.25x = 13,347.77 × 2,657.75
  4. Step 4: Simplify right side
    8,897.25x = 35,475,035.72
  5. Step 5: Solve for x
    x = 35,475,035.72/8,897.25
  6. Step 6: Final answer
    x = 3,987.19

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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.