Home / 5,389.72-8,083.44-3,167.08

Finding the Fourth Proportional to 5,389.72, 8,083.44 and 3,167.08

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Solution

The fourth proportional to 5,389.72, 8,083.44 and 3,167.08 is: 4,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.72 : 8,083.44 = 3,167.08 : x
  2. Step 2: Convert to fraction form
    5,389.72/8,083.44 = 3,167.08/x
  3. Step 3: Cross multiply
    5,389.72x = 8,083.44 × 3,167.08
  4. Step 4: Simplify right side
    5,389.72x = 25,600,901.16
  5. Step 5: Solve for x
    x = 25,600,901.16/5,389.72
  6. Step 6: Final answer
    x = 4,749.95

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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.