Home / 6,644.08-9,173.10-4,128.84

Finding the Fourth Proportional to 6,644.08, 9,173.10 and 4,128.84

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Solution

The fourth proportional to 6,644.08, 9,173.10 and 4,128.84 is: 5,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.08 : 9,173.10 = 4,128.84 : x
  2. Step 2: Convert to fraction form
    6,644.08/9,173.10 = 4,128.84/x
  3. Step 3: Cross multiply
    6,644.08x = 9,173.10 × 4,128.84
  4. Step 4: Simplify right side
    6,644.08x = 37,874,262.20
  5. Step 5: Solve for x
    x = 37,874,262.20/6,644.08
  6. Step 6: Final answer
    x = 5,700.45

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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.