Home / 5,214.92-7,822.31-1,926.72

Finding the Fourth Proportional to 5,214.92, 7,822.31 and 1,926.72

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Solution

The fourth proportional to 5,214.92, 7,822.31 and 1,926.72 is: 2,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.92 : 7,822.31 = 1,926.72 : x
  2. Step 2: Convert to fraction form
    5,214.92/7,822.31 = 1,926.72/x
  3. Step 3: Cross multiply
    5,214.92x = 7,822.31 × 1,926.72
  4. Step 4: Simplify right side
    5,214.92x = 15,071,391.49
  5. Step 5: Solve for x
    x = 15,071,391.49/5,214.92
  6. Step 6: Final answer
    x = 2,890.06

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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.