Home / 5,355.45-8,031.76-2,433.11

Finding the Fourth Proportional to 5,355.45, 8,031.76 and 2,433.11

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Solution

The fourth proportional to 5,355.45, 8,031.76 and 2,433.11 is: 3,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.45 : 8,031.76 = 2,433.11 : x
  2. Step 2: Convert to fraction form
    5,355.45/8,031.76 = 2,433.11/x
  3. Step 3: Cross multiply
    5,355.45x = 8,031.76 × 2,433.11
  4. Step 4: Simplify right side
    5,355.45x = 19,542,109.33
  5. Step 5: Solve for x
    x = 19,542,109.33/5,355.45
  6. Step 6: Final answer
    x = 3,649.01

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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.