Home / 5,244.53-7,236.81-3,120.12

Finding the Fourth Proportional to 5,244.53, 7,236.81 and 3,120.12

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Solution

The fourth proportional to 5,244.53, 7,236.81 and 3,120.12 is: 4,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.53 : 7,236.81 = 3,120.12 : x
  2. Step 2: Convert to fraction form
    5,244.53/7,236.81 = 3,120.12/x
  3. Step 3: Cross multiply
    5,244.53x = 7,236.81 × 3,120.12
  4. Step 4: Simplify right side
    5,244.53x = 22,579,715.62
  5. Step 5: Solve for x
    x = 22,579,715.62/5,244.53
  6. Step 6: Final answer
    x = 4,305.39

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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.