Home / 4,247.89-5,862.96-2,455.45

Finding the Fourth Proportional to 4,247.89, 5,862.96 and 2,455.45

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Solution

The fourth proportional to 4,247.89, 5,862.96 and 2,455.45 is: 3,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.89 : 5,862.96 = 2,455.45 : x
  2. Step 2: Convert to fraction form
    4,247.89/5,862.96 = 2,455.45/x
  3. Step 3: Cross multiply
    4,247.89x = 5,862.96 × 2,455.45
  4. Step 4: Simplify right side
    4,247.89x = 14,396,205.13
  5. Step 5: Solve for x
    x = 14,396,205.13/4,247.89
  6. Step 6: Final answer
    x = 3,389.02

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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.