Home / 7,427.11-10,249.41-4,070.05

Finding the Fourth Proportional to 7,427.11, 10,249.41 and 4,070.05

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Solution

The fourth proportional to 7,427.11, 10,249.41 and 4,070.05 is: 5,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.11 : 10,249.41 = 4,070.05 : x
  2. Step 2: Convert to fraction form
    7,427.11/10,249.41 = 4,070.05/x
  3. Step 3: Cross multiply
    7,427.11x = 10,249.41 × 4,070.05
  4. Step 4: Simplify right side
    7,427.11x = 41,715,611.17
  5. Step 5: Solve for x
    x = 41,715,611.17/7,427.11
  6. Step 6: Final answer
    x = 5,616.67

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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.