Home / 7,280.28-10,046.82-4,136.64

Finding the Fourth Proportional to 7,280.28, 10,046.82 and 4,136.64

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Solution

The fourth proportional to 7,280.28, 10,046.82 and 4,136.64 is: 5,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.28 : 10,046.82 = 4,136.64 : x
  2. Step 2: Convert to fraction form
    7,280.28/10,046.82 = 4,136.64/x
  3. Step 3: Cross multiply
    7,280.28x = 10,046.82 × 4,136.64
  4. Step 4: Simplify right side
    7,280.28x = 41,560,077.48
  5. Step 5: Solve for x
    x = 41,560,077.48/7,280.28
  6. Step 6: Final answer
    x = 5,708.58

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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.