Home / 7,908.20-11,862.08-2,064.81

Finding the Fourth Proportional to 7,908.20, 11,862.08 and 2,064.81

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Solution

The fourth proportional to 7,908.20, 11,862.08 and 2,064.81 is: 3,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.20 : 11,862.08 = 2,064.81 : x
  2. Step 2: Convert to fraction form
    7,908.20/11,862.08 = 2,064.81/x
  3. Step 3: Cross multiply
    7,908.20x = 11,862.08 × 2,064.81
  4. Step 4: Simplify right side
    7,908.20x = 24,492,977.50
  5. Step 5: Solve for x
    x = 24,492,977.50/7,908.20
  6. Step 6: Final answer
    x = 3,097.16

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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.