Home / 5,554.12-8,331.18-1,661.26

Finding the Fourth Proportional to 5,554.12, 8,331.18 and 1,661.26

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Solution

The fourth proportional to 5,554.12, 8,331.18 and 1,661.26 is: 2,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.12 : 8,331.18 = 1,661.26 : x
  2. Step 2: Convert to fraction form
    5,554.12/8,331.18 = 1,661.26/x
  3. Step 3: Cross multiply
    5,554.12x = 8,331.18 × 1,661.26
  4. Step 4: Simplify right side
    5,554.12x = 13,840,256.09
  5. Step 5: Solve for x
    x = 13,840,256.09/5,554.12
  6. Step 6: Final answer
    x = 2,491.89

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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.