Home / 4,876.08-7,309.26-2,099.40

Finding the Fourth Proportional to 4,876.08, 7,309.26 and 2,099.40

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Solution

The fourth proportional to 4,876.08, 7,309.26 and 2,099.40 is: 3,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.08 : 7,309.26 = 2,099.40 : x
  2. Step 2: Convert to fraction form
    4,876.08/7,309.26 = 2,099.40/x
  3. Step 3: Cross multiply
    4,876.08x = 7,309.26 × 2,099.40
  4. Step 4: Simplify right side
    4,876.08x = 15,345,060.44
  5. Step 5: Solve for x
    x = 15,345,060.44/4,876.08
  6. Step 6: Final answer
    x = 3,147.01

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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.