Home / 5,236.02-7,853.08-2,115.90

Finding the Fourth Proportional to 5,236.02, 7,853.08 and 2,115.90

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Solution

The fourth proportional to 5,236.02, 7,853.08 and 2,115.90 is: 3,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.02 : 7,853.08 = 2,115.90 : x
  2. Step 2: Convert to fraction form
    5,236.02/7,853.08 = 2,115.90/x
  3. Step 3: Cross multiply
    5,236.02x = 7,853.08 × 2,115.90
  4. Step 4: Simplify right side
    5,236.02x = 16,616,331.97
  5. Step 5: Solve for x
    x = 16,616,331.97/5,236.02
  6. Step 6: Final answer
    x = 3,173.47

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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.