Home / 4,240.89-5,857-3,307.77

Finding the Fourth Proportional to 4,240.89, 5,857 and 3,307.77

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Solution

The fourth proportional to 4,240.89, 5,857 and 3,307.77 is: 4,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.89 : 5,857 = 3,307.77 : x
  2. Step 2: Convert to fraction form
    4,240.89/5,857 = 3,307.77/x
  3. Step 3: Cross multiply
    4,240.89x = 5,857 × 3,307.77
  4. Step 4: Simplify right side
    4,240.89x = 19,373,608.89
  5. Step 5: Solve for x
    x = 19,373,608.89/4,240.89
  6. Step 6: Final answer
    x = 4,568.29

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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.