Home / 4,554.20-6,288.64-4,021.76

Finding the Fourth Proportional to 4,554.20, 6,288.64 and 4,021.76

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Solution

The fourth proportional to 4,554.20, 6,288.64 and 4,021.76 is: 5,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.20 : 6,288.64 = 4,021.76 : x
  2. Step 2: Convert to fraction form
    4,554.20/6,288.64 = 4,021.76/x
  3. Step 3: Cross multiply
    4,554.20x = 6,288.64 × 4,021.76
  4. Step 4: Simplify right side
    4,554.20x = 25,291,400.81
  5. Step 5: Solve for x
    x = 25,291,400.81/4,554.20
  6. Step 6: Final answer
    x = 5,553.42

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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.