Home / 7,538.47-10,402.90-4,181.26

Finding the Fourth Proportional to 7,538.47, 10,402.90 and 4,181.26

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Solution

The fourth proportional to 7,538.47, 10,402.90 and 4,181.26 is: 5,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.47 : 10,402.90 = 4,181.26 : x
  2. Step 2: Convert to fraction form
    7,538.47/10,402.90 = 4,181.26/x
  3. Step 3: Cross multiply
    7,538.47x = 10,402.90 × 4,181.26
  4. Step 4: Simplify right side
    7,538.47x = 43,497,229.65
  5. Step 5: Solve for x
    x = 43,497,229.65/7,538.47
  6. Step 6: Final answer
    x = 5,770.03

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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.