Home / 4,959.19-7,438.56-2,185.12

Finding the Fourth Proportional to 4,959.19, 7,438.56 and 2,185.12

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Solution

The fourth proportional to 4,959.19, 7,438.56 and 2,185.12 is: 3,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.19 : 7,438.56 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    4,959.19/7,438.56 = 2,185.12/x
  3. Step 3: Cross multiply
    4,959.19x = 7,438.56 × 2,185.12
  4. Step 4: Simplify right side
    4,959.19x = 16,254,146.23
  5. Step 5: Solve for x
    x = 16,254,146.23/4,959.19
  6. Step 6: Final answer
    x = 3,277.58

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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.