Home / 7,538.36-10,402.26-4,181.10

Finding the Fourth Proportional to 7,538.36, 10,402.26 and 4,181.10

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Solution

The fourth proportional to 7,538.36, 10,402.26 and 4,181.10 is: 5,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.36 : 10,402.26 = 4,181.10 : x
  2. Step 2: Convert to fraction form
    7,538.36/10,402.26 = 4,181.10/x
  3. Step 3: Cross multiply
    7,538.36x = 10,402.26 × 4,181.10
  4. Step 4: Simplify right side
    7,538.36x = 43,492,889.29
  5. Step 5: Solve for x
    x = 43,492,889.29/7,538.36
  6. Step 6: Final answer
    x = 5,769.55

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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.