Home / 5,230.74-7,849.18-1,946.12

Finding the Fourth Proportional to 5,230.74, 7,849.18 and 1,946.12

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Solution

The fourth proportional to 5,230.74, 7,849.18 and 1,946.12 is: 2,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.74 : 7,849.18 = 1,946.12 : x
  2. Step 2: Convert to fraction form
    5,230.74/7,849.18 = 1,946.12/x
  3. Step 3: Cross multiply
    5,230.74x = 7,849.18 × 1,946.12
  4. Step 4: Simplify right side
    5,230.74x = 15,275,446.18
  5. Step 5: Solve for x
    x = 15,275,446.18/5,230.74
  6. Step 6: Final answer
    x = 2,920.32

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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.