Home / 5,238.17-7,228.47-2,848.05

Finding the Fourth Proportional to 5,238.17, 7,228.47 and 2,848.05

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Solution

The fourth proportional to 5,238.17, 7,228.47 and 2,848.05 is: 3,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.17 : 7,228.47 = 2,848.05 : x
  2. Step 2: Convert to fraction form
    5,238.17/7,228.47 = 2,848.05/x
  3. Step 3: Cross multiply
    5,238.17x = 7,228.47 × 2,848.05
  4. Step 4: Simplify right side
    5,238.17x = 20,587,043.98
  5. Step 5: Solve for x
    x = 20,587,043.98/5,238.17
  6. Step 6: Final answer
    x = 3,930.20

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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.