Home / 7,644.40-11,466.60-6,332.20

Finding the Fourth Proportional to 7,644.40, 11,466.60 and 6,332.20

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Solution

The fourth proportional to 7,644.40, 11,466.60 and 6,332.20 is: 9,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.40 : 11,466.60 = 6,332.20 : x
  2. Step 2: Convert to fraction form
    7,644.40/11,466.60 = 6,332.20/x
  3. Step 3: Cross multiply
    7,644.40x = 11,466.60 × 6,332.20
  4. Step 4: Simplify right side
    7,644.40x = 72,608,804.52
  5. Step 5: Solve for x
    x = 72,608,804.52/7,644.40
  6. Step 6: Final answer
    x = 9,498.30

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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.