Home / 5,391.84-7,440.89-3,034.07

Finding the Fourth Proportional to 5,391.84, 7,440.89 and 3,034.07

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Solution

The fourth proportional to 5,391.84, 7,440.89 and 3,034.07 is: 4,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.84 : 7,440.89 = 3,034.07 : x
  2. Step 2: Convert to fraction form
    5,391.84/7,440.89 = 3,034.07/x
  3. Step 3: Cross multiply
    5,391.84x = 7,440.89 × 3,034.07
  4. Step 4: Simplify right side
    5,391.84x = 22,576,128.75
  5. Step 5: Solve for x
    x = 22,576,128.75/5,391.84
  6. Step 6: Final answer
    x = 4,187.09

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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.