Home / 4,490.46-6,199.90-2,812.56

Finding the Fourth Proportional to 4,490.46, 6,199.90 and 2,812.56

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Solution

The fourth proportional to 4,490.46, 6,199.90 and 2,812.56 is: 3,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.46 : 6,199.90 = 2,812.56 : x
  2. Step 2: Convert to fraction form
    4,490.46/6,199.90 = 2,812.56/x
  3. Step 3: Cross multiply
    4,490.46x = 6,199.90 × 2,812.56
  4. Step 4: Simplify right side
    4,490.46x = 17,437,590.74
  5. Step 5: Solve for x
    x = 17,437,590.74/4,490.46
  6. Step 6: Final answer
    x = 3,883.25

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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.