Home / 6,749.84-9,314.30-3,917.30

Finding the Fourth Proportional to 6,749.84, 9,314.30 and 3,917.30

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Solution

The fourth proportional to 6,749.84, 9,314.30 and 3,917.30 is: 5,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.84 : 9,314.30 = 3,917.30 : x
  2. Step 2: Convert to fraction form
    6,749.84/9,314.30 = 3,917.30/x
  3. Step 3: Cross multiply
    6,749.84x = 9,314.30 × 3,917.30
  4. Step 4: Simplify right side
    6,749.84x = 36,486,907.39
  5. Step 5: Solve for x
    x = 36,486,907.39/6,749.84
  6. Step 6: Final answer
    x = 5,405.60

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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.