Home / 6,909.35-9,536.44-4,390.97

Finding the Fourth Proportional to 6,909.35, 9,536.44 and 4,390.97

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Solution

The fourth proportional to 6,909.35, 9,536.44 and 4,390.97 is: 6,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.35 : 9,536.44 = 4,390.97 : x
  2. Step 2: Convert to fraction form
    6,909.35/9,536.44 = 4,390.97/x
  3. Step 3: Cross multiply
    6,909.35x = 9,536.44 × 4,390.97
  4. Step 4: Simplify right side
    6,909.35x = 41,874,215.51
  5. Step 5: Solve for x
    x = 41,874,215.51/6,909.35
  6. Step 6: Final answer
    x = 6,060.51

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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.