Home / 6,742.58-9,304.78-3,910.50

Finding the Fourth Proportional to 6,742.58, 9,304.78 and 3,910.50

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Solution

The fourth proportional to 6,742.58, 9,304.78 and 3,910.50 is: 5,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.58 : 9,304.78 = 3,910.50 : x
  2. Step 2: Convert to fraction form
    6,742.58/9,304.78 = 3,910.50/x
  3. Step 3: Cross multiply
    6,742.58x = 9,304.78 × 3,910.50
  4. Step 4: Simplify right side
    6,742.58x = 36,386,342.19
  5. Step 5: Solve for x
    x = 36,386,342.19/6,742.58
  6. Step 6: Final answer
    x = 5,396.50

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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.