Home / 9,152.36-12,625.89-6,630.38

Finding the Fourth Proportional to 9,152.36, 12,625.89 and 6,630.38

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Solution

The fourth proportional to 9,152.36, 12,625.89 and 6,630.38 is: 9,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.36 : 12,625.89 = 6,630.38 : x
  2. Step 2: Convert to fraction form
    9,152.36/12,625.89 = 6,630.38/x
  3. Step 3: Cross multiply
    9,152.36x = 12,625.89 × 6,630.38
  4. Step 4: Simplify right side
    9,152.36x = 83,714,448.54
  5. Step 5: Solve for x
    x = 83,714,448.54/9,152.36
  6. Step 6: Final answer
    x = 9,146.76

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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.