Home / 6,698.11-9,235.85-4,272.25

Finding the Fourth Proportional to 6,698.11, 9,235.85 and 4,272.25

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Solution

The fourth proportional to 6,698.11, 9,235.85 and 4,272.25 is: 5,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.11 : 9,235.85 = 4,272.25 : x
  2. Step 2: Convert to fraction form
    6,698.11/9,235.85 = 4,272.25/x
  3. Step 3: Cross multiply
    6,698.11x = 9,235.85 × 4,272.25
  4. Step 4: Simplify right side
    6,698.11x = 39,457,874.00
  5. Step 5: Solve for x
    x = 39,457,874.00/6,698.11
  6. Step 6: Final answer
    x = 5,890.89

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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.