Home / 5,353.36-8,031.96-1,891.12

Finding the Fourth Proportional to 5,353.36, 8,031.96 and 1,891.12

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Solution

The fourth proportional to 5,353.36, 8,031.96 and 1,891.12 is: 2,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.36 : 8,031.96 = 1,891.12 : x
  2. Step 2: Convert to fraction form
    5,353.36/8,031.96 = 1,891.12/x
  3. Step 3: Cross multiply
    5,353.36x = 8,031.96 × 1,891.12
  4. Step 4: Simplify right side
    5,353.36x = 15,189,400.20
  5. Step 5: Solve for x
    x = 15,189,400.20/5,353.36
  6. Step 6: Final answer
    x = 2,837.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.