Home / 6,612.45-9,120.42-4,252.34

Finding the Fourth Proportional to 6,612.45, 9,120.42 and 4,252.34

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Solution

The fourth proportional to 6,612.45, 9,120.42 and 4,252.34 is: 5,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.45 : 9,120.42 = 4,252.34 : x
  2. Step 2: Convert to fraction form
    6,612.45/9,120.42 = 4,252.34/x
  3. Step 3: Cross multiply
    6,612.45x = 9,120.42 × 4,252.34
  4. Step 4: Simplify right side
    6,612.45x = 38,783,126.78
  5. Step 5: Solve for x
    x = 38,783,126.78/6,612.45
  6. Step 6: Final answer
    x = 5,865.17

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Half scale
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Double scale
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Similar ratio
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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.