Home / 7,867.63-11,799.55-2,319.48

Finding the Fourth Proportional to 7,867.63, 11,799.55 and 2,319.48

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Solution

The fourth proportional to 7,867.63, 11,799.55 and 2,319.48 is: 3,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.63 : 11,799.55 = 2,319.48 : x
  2. Step 2: Convert to fraction form
    7,867.63/11,799.55 = 2,319.48/x
  3. Step 3: Cross multiply
    7,867.63x = 11,799.55 × 2,319.48
  4. Step 4: Simplify right side
    7,867.63x = 27,368,820.23
  5. Step 5: Solve for x
    x = 27,368,820.23/7,867.63
  6. Step 6: Final answer
    x = 3,478.66

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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.