Home / 8,738.47-13,109.75-2,895.08

Finding the Fourth Proportional to 8,738.47, 13,109.75 and 2,895.08

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Solution

The fourth proportional to 8,738.47, 13,109.75 and 2,895.08 is: 4,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.47 : 13,109.75 = 2,895.08 : x
  2. Step 2: Convert to fraction form
    8,738.47/13,109.75 = 2,895.08/x
  3. Step 3: Cross multiply
    8,738.47x = 13,109.75 × 2,895.08
  4. Step 4: Simplify right side
    8,738.47x = 37,953,775.03
  5. Step 5: Solve for x
    x = 37,953,775.03/8,738.47
  6. Step 6: Final answer
    x = 4,343.30

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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.