Home / 8,261.58-12,392.39-5,807.37

Finding the Fourth Proportional to 8,261.58, 12,392.39 and 5,807.37

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Solution

The fourth proportional to 8,261.58, 12,392.39 and 5,807.37 is: 8,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.58 : 12,392.39 = 5,807.37 : x
  2. Step 2: Convert to fraction form
    8,261.58/12,392.39 = 5,807.37/x
  3. Step 3: Cross multiply
    8,261.58x = 12,392.39 × 5,807.37
  4. Step 4: Simplify right side
    8,261.58x = 71,967,193.91
  5. Step 5: Solve for x
    x = 71,967,193.91/8,261.58
  6. Step 6: Final answer
    x = 8,711.07

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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.