Home / 5,144.81-7,099.98-2,906.64

Finding the Fourth Proportional to 5,144.81, 7,099.98 and 2,906.64

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Solution

The fourth proportional to 5,144.81, 7,099.98 and 2,906.64 is: 4,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.81 : 7,099.98 = 2,906.64 : x
  2. Step 2: Convert to fraction form
    5,144.81/7,099.98 = 2,906.64/x
  3. Step 3: Cross multiply
    5,144.81x = 7,099.98 × 2,906.64
  4. Step 4: Simplify right side
    5,144.81x = 20,637,097.33
  5. Step 5: Solve for x
    x = 20,637,097.33/5,144.81
  6. Step 6: Final answer
    x = 4,011.24

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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.