Home / 7,856.57-11,784.94-2,310.02

Finding the Fourth Proportional to 7,856.57, 11,784.94 and 2,310.02

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Solution

The fourth proportional to 7,856.57, 11,784.94 and 2,310.02 is: 3,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.57 : 11,784.94 = 2,310.02 : x
  2. Step 2: Convert to fraction form
    7,856.57/11,784.94 = 2,310.02/x
  3. Step 3: Cross multiply
    7,856.57x = 11,784.94 × 2,310.02
  4. Step 4: Simplify right side
    7,856.57x = 27,223,447.10
  5. Step 5: Solve for x
    x = 27,223,447.10/7,856.57
  6. Step 6: Final answer
    x = 3,465.05

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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.