Home / 5,133.61-7,084.38-2,775.75

Finding the Fourth Proportional to 5,133.61, 7,084.38 and 2,775.75

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Solution

The fourth proportional to 5,133.61, 7,084.38 and 2,775.75 is: 3,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.61 : 7,084.38 = 2,775.75 : x
  2. Step 2: Convert to fraction form
    5,133.61/7,084.38 = 2,775.75/x
  3. Step 3: Cross multiply
    5,133.61x = 7,084.38 × 2,775.75
  4. Step 4: Simplify right side
    5,133.61x = 19,664,467.79
  5. Step 5: Solve for x
    x = 19,664,467.79/5,133.61
  6. Step 6: Final answer
    x = 3,830.53

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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.