Home / 3,988.09-5,967.56-3,339.28

Finding the Fourth Proportional to 3,988.09, 5,967.56 and 3,339.28

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Solution

The fourth proportional to 3,988.09, 5,967.56 and 3,339.28 is: 4,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.09 : 5,967.56 = 3,339.28 : x
  2. Step 2: Convert to fraction form
    3,988.09/5,967.56 = 3,339.28/x
  3. Step 3: Cross multiply
    3,988.09x = 5,967.56 × 3,339.28
  4. Step 4: Simplify right side
    3,988.09x = 19,927,337.06
  5. Step 5: Solve for x
    x = 19,927,337.06/3,988.09
  6. Step 6: Final answer
    x = 4,996.71

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1.5x scale

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.