Home / 4,338.30-5,985.40-2,825.18

Finding the Fourth Proportional to 4,338.30, 5,985.40 and 2,825.18

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Solution

The fourth proportional to 4,338.30, 5,985.40 and 2,825.18 is: 3,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.30 : 5,985.40 = 2,825.18 : x
  2. Step 2: Convert to fraction form
    4,338.30/5,985.40 = 2,825.18/x
  3. Step 3: Cross multiply
    4,338.30x = 5,985.40 × 2,825.18
  4. Step 4: Simplify right side
    4,338.30x = 16,909,795.38
  5. Step 5: Solve for x
    x = 16,909,795.38/4,338.30
  6. Step 6: Final answer
    x = 3,897.79

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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.