Home / 5,347.20-8,021.20-1,451.52

Finding the Fourth Proportional to 5,347.20, 8,021.20 and 1,451.52

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Solution

The fourth proportional to 5,347.20, 8,021.20 and 1,451.52 is: 2,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.20 : 8,021.20 = 1,451.52 : x
  2. Step 2: Convert to fraction form
    5,347.20/8,021.20 = 1,451.52/x
  3. Step 3: Cross multiply
    5,347.20x = 8,021.20 × 1,451.52
  4. Step 4: Simplify right side
    5,347.20x = 11,642,932.22
  5. Step 5: Solve for x
    x = 11,642,932.22/5,347.20
  6. Step 6: Final answer
    x = 2,177.39

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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.