Home / 6,108.84-8,430.12-3,456.24

Finding the Fourth Proportional to 6,108.84, 8,430.12 and 3,456.24

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Solution

The fourth proportional to 6,108.84, 8,430.12 and 3,456.24 is: 4,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.84 : 8,430.12 = 3,456.24 : x
  2. Step 2: Convert to fraction form
    6,108.84/8,430.12 = 3,456.24/x
  3. Step 3: Cross multiply
    6,108.84x = 8,430.12 × 3,456.24
  4. Step 4: Simplify right side
    6,108.84x = 29,136,517.95
  5. Step 5: Solve for x
    x = 29,136,517.95/6,108.84
  6. Step 6: Final answer
    x = 4,769.57

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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.