Home / 5,218.62-7,208.02-3,800.06

Finding the Fourth Proportional to 5,218.62, 7,208.02 and 3,800.06

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Solution

The fourth proportional to 5,218.62, 7,208.02 and 3,800.06 is: 5,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.62 : 7,208.02 = 3,800.06 : x
  2. Step 2: Convert to fraction form
    5,218.62/7,208.02 = 3,800.06/x
  3. Step 3: Cross multiply
    5,218.62x = 7,208.02 × 3,800.06
  4. Step 4: Simplify right side
    5,218.62x = 27,390,908.48
  5. Step 5: Solve for x
    x = 27,390,908.48/5,218.62
  6. Step 6: Final answer
    x = 5,248.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.