Home / 8,897.76-13,346.78-2,656.37

Finding the Fourth Proportional to 8,897.76, 13,346.78 and 2,656.37

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Solution

The fourth proportional to 8,897.76, 13,346.78 and 2,656.37 is: 3,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.76 : 13,346.78 = 2,656.37 : x
  2. Step 2: Convert to fraction form
    8,897.76/13,346.78 = 2,656.37/x
  3. Step 3: Cross multiply
    8,897.76x = 13,346.78 × 2,656.37
  4. Step 4: Simplify right side
    8,897.76x = 35,454,006.07
  5. Step 5: Solve for x
    x = 35,454,006.07/8,897.76
  6. Step 6: Final answer
    x = 3,984.60

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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.