Home / 6,115.59-8,427.39-4,342.23

Finding the Fourth Proportional to 6,115.59, 8,427.39 and 4,342.23

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Solution

The fourth proportional to 6,115.59, 8,427.39 and 4,342.23 is: 5,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.59 : 8,427.39 = 4,342.23 : x
  2. Step 2: Convert to fraction form
    6,115.59/8,427.39 = 4,342.23/x
  3. Step 3: Cross multiply
    6,115.59x = 8,427.39 × 4,342.23
  4. Step 4: Simplify right side
    6,115.59x = 36,593,665.68
  5. Step 5: Solve for x
    x = 36,593,665.68/6,115.59
  6. Step 6: Final answer
    x = 5,983.67

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Half scale
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Double scale
Find fourth proportional to 6,116.59, 8,428.77 and 4,343.23
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.