Home / 4,937.81-7,404.16-1,816.73

Finding the Fourth Proportional to 4,937.81, 7,404.16 and 1,816.73

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Solution

The fourth proportional to 4,937.81, 7,404.16 and 1,816.73 is: 2,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.81 : 7,404.16 = 1,816.73 : x
  2. Step 2: Convert to fraction form
    4,937.81/7,404.16 = 1,816.73/x
  3. Step 3: Cross multiply
    4,937.81x = 7,404.16 × 1,816.73
  4. Step 4: Simplify right side
    4,937.81x = 13,451,349.21
  5. Step 5: Solve for x
    x = 13,451,349.21/4,937.81
  6. Step 6: Final answer
    x = 2,724.15

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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.