Home / 8,185.40-11,296.18-4,648.94

Finding the Fourth Proportional to 8,185.40, 11,296.18 and 4,648.94

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Solution

The fourth proportional to 8,185.40, 11,296.18 and 4,648.94 is: 6,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.40 : 11,296.18 = 4,648.94 : x
  2. Step 2: Convert to fraction form
    8,185.40/11,296.18 = 4,648.94/x
  3. Step 3: Cross multiply
    8,185.40x = 11,296.18 × 4,648.94
  4. Step 4: Simplify right side
    8,185.40x = 52,515,263.05
  5. Step 5: Solve for x
    x = 52,515,263.05/8,185.40
  6. Step 6: Final answer
    x = 6,415.72

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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.