Home / 5,674.30-8,511.45-4,291.90

Finding the Fourth Proportional to 5,674.30, 8,511.45 and 4,291.90

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Solution

The fourth proportional to 5,674.30, 8,511.45 and 4,291.90 is: 6,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.30 : 8,511.45 = 4,291.90 : x
  2. Step 2: Convert to fraction form
    5,674.30/8,511.45 = 4,291.90/x
  3. Step 3: Cross multiply
    5,674.30x = 8,511.45 × 4,291.90
  4. Step 4: Simplify right side
    5,674.30x = 36,530,292.26
  5. Step 5: Solve for x
    x = 36,530,292.26/5,674.30
  6. Step 6: Final answer
    x = 6,437.85

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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.