Home / 9,314.57-13,971.83-2,740.75

Finding the Fourth Proportional to 9,314.57, 13,971.83 and 2,740.75

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Solution

The fourth proportional to 9,314.57, 13,971.83 and 2,740.75 is: 4,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.57 : 13,971.83 = 2,740.75 : x
  2. Step 2: Convert to fraction form
    9,314.57/13,971.83 = 2,740.75/x
  3. Step 3: Cross multiply
    9,314.57x = 13,971.83 × 2,740.75
  4. Step 4: Simplify right side
    9,314.57x = 38,293,223.21
  5. Step 5: Solve for x
    x = 38,293,223.21/9,314.57
  6. Step 6: Final answer
    x = 4,111.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.