Home / 7,538.42-10,402.91-4,181.16

Finding the Fourth Proportional to 7,538.42, 10,402.91 and 4,181.16

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Solution

The fourth proportional to 7,538.42, 10,402.91 and 4,181.16 is: 5,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.42 : 10,402.91 = 4,181.16 : x
  2. Step 2: Convert to fraction form
    7,538.42/10,402.91 = 4,181.16/x
  3. Step 3: Cross multiply
    7,538.42x = 10,402.91 × 4,181.16
  4. Step 4: Simplify right side
    7,538.42x = 43,496,231.18
  5. Step 5: Solve for x
    x = 43,496,231.18/7,538.42
  6. Step 6: Final answer
    x = 5,769.94

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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.