Home / 5,442.84-8,166.96-2,158.28

Finding the Fourth Proportional to 5,442.84, 8,166.96 and 2,158.28

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Solution

The fourth proportional to 5,442.84, 8,166.96 and 2,158.28 is: 3,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.84 : 8,166.96 = 2,158.28 : x
  2. Step 2: Convert to fraction form
    5,442.84/8,166.96 = 2,158.28/x
  3. Step 3: Cross multiply
    5,442.84x = 8,166.96 × 2,158.28
  4. Step 4: Simplify right side
    5,442.84x = 17,626,586.43
  5. Step 5: Solve for x
    x = 17,626,586.43/5,442.84
  6. Step 6: Final answer
    x = 3,238.49

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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.