Home / 5,345.11-8,018.97-2,013.40

Finding the Fourth Proportional to 5,345.11, 8,018.97 and 2,013.40

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Solution

The fourth proportional to 5,345.11, 8,018.97 and 2,013.40 is: 3,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.11 : 8,018.97 = 2,013.40 : x
  2. Step 2: Convert to fraction form
    5,345.11/8,018.97 = 2,013.40/x
  3. Step 3: Cross multiply
    5,345.11x = 8,018.97 × 2,013.40
  4. Step 4: Simplify right side
    5,345.11x = 16,145,394.20
  5. Step 5: Solve for x
    x = 16,145,394.20/5,345.11
  6. Step 6: Final answer
    x = 3,020.59

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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.