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Finding the Fourth Proportional to 5,651.19, 7,799.00 and 3,133.40

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Solution

The fourth proportional to 5,651.19, 7,799.00 and 3,133.40 is: 4,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.19 : 7,799.00 = 3,133.40 : x
  2. Step 2: Convert to fraction form
    5,651.19/7,799.00 = 3,133.40/x
  3. Step 3: Cross multiply
    5,651.19x = 7,799.00 × 3,133.40
  4. Step 4: Simplify right side
    5,651.19x = 24,437,331.94
  5. Step 5: Solve for x
    x = 24,437,331.94/5,651.19
  6. Step 6: Final answer
    x = 4,324.28

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Half scale
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Double scale
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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.