Home / 6,108.84-8,430.20-3,314.32

Finding the Fourth Proportional to 6,108.84, 8,430.20 and 3,314.32

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Solution

The fourth proportional to 6,108.84, 8,430.20 and 3,314.32 is: 4,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.84 : 8,430.20 = 3,314.32 : x
  2. Step 2: Convert to fraction form
    6,108.84/8,430.20 = 3,314.32/x
  3. Step 3: Cross multiply
    6,108.84x = 8,430.20 × 3,314.32
  4. Step 4: Simplify right side
    6,108.84x = 27,940,380.46
  5. Step 5: Solve for x
    x = 27,940,380.46/6,108.84
  6. Step 6: Final answer
    x = 4,573.76

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Half scale
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Double scale
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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.