Home / 5,409-8,110.26-1,897.08

Finding the Fourth Proportional to 5,409, 8,110.26 and 1,897.08

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Solution

The fourth proportional to 5,409, 8,110.26 and 1,897.08 is: 2,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409 : 8,110.26 = 1,897.08 : x
  2. Step 2: Convert to fraction form
    5,409/8,110.26 = 1,897.08/x
  3. Step 3: Cross multiply
    5,409x = 8,110.26 × 1,897.08
  4. Step 4: Simplify right side
    5,409x = 15,385,812.04
  5. Step 5: Solve for x
    x = 15,385,812.04/5,409
  6. Step 6: Final answer
    x = 2,844.48

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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.