Home / 5,448.09-7,522.65-3,861.15

Finding the Fourth Proportional to 5,448.09, 7,522.65 and 3,861.15

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Solution

The fourth proportional to 5,448.09, 7,522.65 and 3,861.15 is: 5,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.09 : 7,522.65 = 3,861.15 : x
  2. Step 2: Convert to fraction form
    5,448.09/7,522.65 = 3,861.15/x
  3. Step 3: Cross multiply
    5,448.09x = 7,522.65 × 3,861.15
  4. Step 4: Simplify right side
    5,448.09x = 29,046,080.05
  5. Step 5: Solve for x
    x = 29,046,080.05/5,448.09
  6. Step 6: Final answer
    x = 5,331.42

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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.