Home / 4,618.38-6,370.98-2,848.80

Finding the Fourth Proportional to 4,618.38, 6,370.98 and 2,848.80

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Solution

The fourth proportional to 4,618.38, 6,370.98 and 2,848.80 is: 3,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.38 : 6,370.98 = 2,848.80 : x
  2. Step 2: Convert to fraction form
    4,618.38/6,370.98 = 2,848.80/x
  3. Step 3: Cross multiply
    4,618.38x = 6,370.98 × 2,848.80
  4. Step 4: Simplify right side
    4,618.38x = 18,149,647.82
  5. Step 5: Solve for x
    x = 18,149,647.82/4,618.38
  6. Step 6: Final answer
    x = 3,929.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.