Home / 6,101.31-8,420.22-3,447.75

Finding the Fourth Proportional to 6,101.31, 8,420.22 and 3,447.75

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Solution

The fourth proportional to 6,101.31, 8,420.22 and 3,447.75 is: 4,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.31 : 8,420.22 = 3,447.75 : x
  2. Step 2: Convert to fraction form
    6,101.31/8,420.22 = 3,447.75/x
  3. Step 3: Cross multiply
    6,101.31x = 8,420.22 × 3,447.75
  4. Step 4: Simplify right side
    6,101.31x = 29,030,813.51
  5. Step 5: Solve for x
    x = 29,030,813.51/6,101.31
  6. Step 6: Final answer
    x = 4,758.13

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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.