Home / 6,108.17-8,429.13-3,419.21

Finding the Fourth Proportional to 6,108.17, 8,429.13 and 3,419.21

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Solution

The fourth proportional to 6,108.17, 8,429.13 and 3,419.21 is: 4,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.17 : 8,429.13 = 3,419.21 : x
  2. Step 2: Convert to fraction form
    6,108.17/8,429.13 = 3,419.21/x
  3. Step 3: Cross multiply
    6,108.17x = 8,429.13 × 3,419.21
  4. Step 4: Simplify right side
    6,108.17x = 28,820,986.66
  5. Step 5: Solve for x
    x = 28,820,986.66/6,108.17
  6. Step 6: Final answer
    x = 4,718.44

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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.