Home / 6,128.04-9,192.06-3,663.57

Finding the Fourth Proportional to 6,128.04, 9,192.06 and 3,663.57

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Solution

The fourth proportional to 6,128.04, 9,192.06 and 3,663.57 is: 5,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.04 : 9,192.06 = 3,663.57 : x
  2. Step 2: Convert to fraction form
    6,128.04/9,192.06 = 3,663.57/x
  3. Step 3: Cross multiply
    6,128.04x = 9,192.06 × 3,663.57
  4. Step 4: Simplify right side
    6,128.04x = 33,675,737.97
  5. Step 5: Solve for x
    x = 33,675,737.97/6,128.04
  6. Step 6: Final answer
    x = 5,495.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.