Home / 5,215.58-7,822.42-2,095.46

Finding the Fourth Proportional to 5,215.58, 7,822.42 and 2,095.46

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Solution

The fourth proportional to 5,215.58, 7,822.42 and 2,095.46 is: 3,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.58 : 7,822.42 = 2,095.46 : x
  2. Step 2: Convert to fraction form
    5,215.58/7,822.42 = 2,095.46/x
  3. Step 3: Cross multiply
    5,215.58x = 7,822.42 × 2,095.46
  4. Step 4: Simplify right side
    5,215.58x = 16,391,557.74
  5. Step 5: Solve for x
    x = 16,391,557.74/5,215.58
  6. Step 6: Final answer
    x = 3,142.81

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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.