Home / 5,230.98-7,849.55-1,946.36

Finding the Fourth Proportional to 5,230.98, 7,849.55 and 1,946.36

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Solution

The fourth proportional to 5,230.98, 7,849.55 and 1,946.36 is: 2,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.98 : 7,849.55 = 1,946.36 : x
  2. Step 2: Convert to fraction form
    5,230.98/7,849.55 = 1,946.36/x
  3. Step 3: Cross multiply
    5,230.98x = 7,849.55 × 1,946.36
  4. Step 4: Simplify right side
    5,230.98x = 15,278,074.63
  5. Step 5: Solve for x
    x = 15,278,074.63/5,230.98
  6. Step 6: Final answer
    x = 2,920.69

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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.