Home / 4,130.22-6,191-1,356.18

Finding the Fourth Proportional to 4,130.22, 6,191 and 1,356.18

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Solution

The fourth proportional to 4,130.22, 6,191 and 1,356.18 is: 2,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.22 : 6,191 = 1,356.18 : x
  2. Step 2: Convert to fraction form
    4,130.22/6,191 = 1,356.18/x
  3. Step 3: Cross multiply
    4,130.22x = 6,191 × 1,356.18
  4. Step 4: Simplify right side
    4,130.22x = 8,396,110.38
  5. Step 5: Solve for x
    x = 8,396,110.38/4,130.22
  6. Step 6: Final answer
    x = 2,032.85

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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.