Home / 6,291.39-9,430.61-3,368.91

Finding the Fourth Proportional to 6,291.39, 9,430.61 and 3,368.91

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Solution

The fourth proportional to 6,291.39, 9,430.61 and 3,368.91 is: 5,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.39 : 9,430.61 = 3,368.91 : x
  2. Step 2: Convert to fraction form
    6,291.39/9,430.61 = 3,368.91/x
  3. Step 3: Cross multiply
    6,291.39x = 9,430.61 × 3,368.91
  4. Step 4: Simplify right side
    6,291.39x = 31,770,859.49
  5. Step 5: Solve for x
    x = 31,770,859.49/6,291.39
  6. Step 6: Final answer
    x = 5,049.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.