Home / 6,214.40-9,321.61-1,772.16

Finding the Fourth Proportional to 6,214.40, 9,321.61 and 1,772.16

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Solution

The fourth proportional to 6,214.40, 9,321.61 and 1,772.16 is: 2,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.40 : 9,321.61 = 1,772.16 : x
  2. Step 2: Convert to fraction form
    6,214.40/9,321.61 = 1,772.16/x
  3. Step 3: Cross multiply
    6,214.40x = 9,321.61 × 1,772.16
  4. Step 4: Simplify right side
    6,214.40x = 16,519,395.76
  5. Step 5: Solve for x
    x = 16,519,395.76/6,214.40
  6. Step 6: Final answer
    x = 2,658.24

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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.