Home / 5,839.36-8,753.84-2,139.08

Finding the Fourth Proportional to 5,839.36, 8,753.84 and 2,139.08

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Solution

The fourth proportional to 5,839.36, 8,753.84 and 2,139.08 is: 3,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.36 : 8,753.84 = 2,139.08 : x
  2. Step 2: Convert to fraction form
    5,839.36/8,753.84 = 2,139.08/x
  3. Step 3: Cross multiply
    5,839.36x = 8,753.84 × 2,139.08
  4. Step 4: Simplify right side
    5,839.36x = 18,725,164.07
  5. Step 5: Solve for x
    x = 18,725,164.07/5,839.36
  6. Step 6: Final answer
    x = 3,206.72

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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.