Home / 6,370.40-8,791.09-3,537.79

Finding the Fourth Proportional to 6,370.40, 8,791.09 and 3,537.79

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Solution

The fourth proportional to 6,370.40, 8,791.09 and 3,537.79 is: 4,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.40 : 8,791.09 = 3,537.79 : x
  2. Step 2: Convert to fraction form
    6,370.40/8,791.09 = 3,537.79/x
  3. Step 3: Cross multiply
    6,370.40x = 8,791.09 × 3,537.79
  4. Step 4: Simplify right side
    6,370.40x = 31,101,030.29
  5. Step 5: Solve for x
    x = 31,101,030.29/6,370.40
  6. Step 6: Final answer
    x = 4,882.12

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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.