Home / 5,439.36-7,506.56-3,049.60

Finding the Fourth Proportional to 5,439.36, 7,506.56 and 3,049.60

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Solution

The fourth proportional to 5,439.36, 7,506.56 and 3,049.60 is: 4,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.36 : 7,506.56 = 3,049.60 : x
  2. Step 2: Convert to fraction form
    5,439.36/7,506.56 = 3,049.60/x
  3. Step 3: Cross multiply
    5,439.36x = 7,506.56 × 3,049.60
  4. Step 4: Simplify right side
    5,439.36x = 22,892,005.38
  5. Step 5: Solve for x
    x = 22,892,005.38/5,439.36
  6. Step 6: Final answer
    x = 4,208.58

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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.