Home / 4,287.18-5,939.28-4,185.12

Finding the Fourth Proportional to 4,287.18, 5,939.28 and 4,185.12

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Solution

The fourth proportional to 4,287.18, 5,939.28 and 4,185.12 is: 5,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.18 : 5,939.28 = 4,185.12 : x
  2. Step 2: Convert to fraction form
    4,287.18/5,939.28 = 4,185.12/x
  3. Step 3: Cross multiply
    4,287.18x = 5,939.28 × 4,185.12
  4. Step 4: Simplify right side
    4,287.18x = 24,856,599.51
  5. Step 5: Solve for x
    x = 24,856,599.51/4,287.18
  6. Step 6: Final answer
    x = 5,797.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.