Home / 6,880.36-10,317.38-3,761.42

Finding the Fourth Proportional to 6,880.36, 10,317.38 and 3,761.42

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Solution

The fourth proportional to 6,880.36, 10,317.38 and 3,761.42 is: 5,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.36 : 10,317.38 = 3,761.42 : x
  2. Step 2: Convert to fraction form
    6,880.36/10,317.38 = 3,761.42/x
  3. Step 3: Cross multiply
    6,880.36x = 10,317.38 × 3,761.42
  4. Step 4: Simplify right side
    6,880.36x = 38,807,999.48
  5. Step 5: Solve for x
    x = 38,807,999.48/6,880.36
  6. Step 6: Final answer
    x = 5,640.40

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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.