Home / 6,749.14-9,314.73-3,916.57

Finding the Fourth Proportional to 6,749.14, 9,314.73 and 3,916.57

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Solution

The fourth proportional to 6,749.14, 9,314.73 and 3,916.57 is: 5,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.14 : 9,314.73 = 3,916.57 : x
  2. Step 2: Convert to fraction form
    6,749.14/9,314.73 = 3,916.57/x
  3. Step 3: Cross multiply
    6,749.14x = 9,314.73 × 3,916.57
  4. Step 4: Simplify right side
    6,749.14x = 36,481,792.08
  5. Step 5: Solve for x
    x = 36,481,792.08/6,749.14
  6. Step 6: Final answer
    x = 5,405.40

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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.