Home / 8,799.51-13,186.63-5,290.95

Finding the Fourth Proportional to 8,799.51, 13,186.63 and 5,290.95

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Solution

The fourth proportional to 8,799.51, 13,186.63 and 5,290.95 is: 7,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.51 : 13,186.63 = 5,290.95 : x
  2. Step 2: Convert to fraction form
    8,799.51/13,186.63 = 5,290.95/x
  3. Step 3: Cross multiply
    8,799.51x = 13,186.63 × 5,290.95
  4. Step 4: Simplify right side
    8,799.51x = 69,769,800.00
  5. Step 5: Solve for x
    x = 69,769,800.00/8,799.51
  6. Step 6: Final answer
    x = 7,928.83

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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.