Home / 5,133.39-7,670.72-3,858.65

Finding the Fourth Proportional to 5,133.39, 7,670.72 and 3,858.65

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Solution

The fourth proportional to 5,133.39, 7,670.72 and 3,858.65 is: 5,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.39 : 7,670.72 = 3,858.65 : x
  2. Step 2: Convert to fraction form
    5,133.39/7,670.72 = 3,858.65/x
  3. Step 3: Cross multiply
    5,133.39x = 7,670.72 × 3,858.65
  4. Step 4: Simplify right side
    5,133.39x = 29,598,623.79
  5. Step 5: Solve for x
    x = 29,598,623.79/5,133.39
  6. Step 6: Final answer
    x = 5,765.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.