Home / 5,272.21-7,908.17-1,376.62

Finding the Fourth Proportional to 5,272.21, 7,908.17 and 1,376.62

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Solution

The fourth proportional to 5,272.21, 7,908.17 and 1,376.62 is: 2,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.21 : 7,908.17 = 1,376.62 : x
  2. Step 2: Convert to fraction form
    5,272.21/7,908.17 = 1,376.62/x
  3. Step 3: Cross multiply
    5,272.21x = 7,908.17 × 1,376.62
  4. Step 4: Simplify right side
    5,272.21x = 10,886,544.99
  5. Step 5: Solve for x
    x = 10,886,544.99/5,272.21
  6. Step 6: Final answer
    x = 2,064.89

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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.