Home / 4,065.72-5,607.81-3,442.02

Finding the Fourth Proportional to 4,065.72, 5,607.81 and 3,442.02

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Solution

The fourth proportional to 4,065.72, 5,607.81 and 3,442.02 is: 4,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.72 : 5,607.81 = 3,442.02 : x
  2. Step 2: Convert to fraction form
    4,065.72/5,607.81 = 3,442.02/x
  3. Step 3: Cross multiply
    4,065.72x = 5,607.81 × 3,442.02
  4. Step 4: Simplify right side
    4,065.72x = 19,302,194.18
  5. Step 5: Solve for x
    x = 19,302,194.18/4,065.72
  6. Step 6: Final answer
    x = 4,747.55

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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.