Home / 5,165.90-7,736.51-2,822.40

Finding the Fourth Proportional to 5,165.90, 7,736.51 and 2,822.40

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Solution

The fourth proportional to 5,165.90, 7,736.51 and 2,822.40 is: 4,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.90 : 7,736.51 = 2,822.40 : x
  2. Step 2: Convert to fraction form
    5,165.90/7,736.51 = 2,822.40/x
  3. Step 3: Cross multiply
    5,165.90x = 7,736.51 × 2,822.40
  4. Step 4: Simplify right side
    5,165.90x = 21,835,511.71
  5. Step 5: Solve for x
    x = 21,835,511.71/5,165.90
  6. Step 6: Final answer
    x = 4,226.86

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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.