Home / 3,917.26-5,373.61-3,705.40

Finding the Fourth Proportional to 3,917.26, 5,373.61 and 3,705.40

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Solution

The fourth proportional to 3,917.26, 5,373.61 and 3,705.40 is: 5,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.26 : 5,373.61 = 3,705.40 : x
  2. Step 2: Convert to fraction form
    3,917.26/5,373.61 = 3,705.40/x
  3. Step 3: Cross multiply
    3,917.26x = 5,373.61 × 3,705.40
  4. Step 4: Simplify right side
    3,917.26x = 19,911,374.49
  5. Step 5: Solve for x
    x = 19,911,374.49/3,917.26
  6. Step 6: Final answer
    x = 5,082.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.