Home / 4,821.15-7,232.03-1,658.78

Finding the Fourth Proportional to 4,821.15, 7,232.03 and 1,658.78

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Solution

The fourth proportional to 4,821.15, 7,232.03 and 1,658.78 is: 2,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.15 : 7,232.03 = 1,658.78 : x
  2. Step 2: Convert to fraction form
    4,821.15/7,232.03 = 1,658.78/x
  3. Step 3: Cross multiply
    4,821.15x = 7,232.03 × 1,658.78
  4. Step 4: Simplify right side
    4,821.15x = 11,996,346.72
  5. Step 5: Solve for x
    x = 11,996,346.72/4,821.15
  6. Step 6: Final answer
    x = 2,488.27

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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.