Home / 7,353.13-10,147.03-3,995.88

Finding the Fourth Proportional to 7,353.13, 10,147.03 and 3,995.88

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Solution

The fourth proportional to 7,353.13, 10,147.03 and 3,995.88 is: 5,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.13 : 10,147.03 = 3,995.88 : x
  2. Step 2: Convert to fraction form
    7,353.13/10,147.03 = 3,995.88/x
  3. Step 3: Cross multiply
    7,353.13x = 10,147.03 × 3,995.88
  4. Step 4: Simplify right side
    7,353.13x = 40,546,314.24
  5. Step 5: Solve for x
    x = 40,546,314.24/7,353.13
  6. Step 6: Final answer
    x = 5,514.16

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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.