Home / 4,610.80-6,920.52-2,421.10

Finding the Fourth Proportional to 4,610.80, 6,920.52 and 2,421.10

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Solution

The fourth proportional to 4,610.80, 6,920.52 and 2,421.10 is: 3,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.80 : 6,920.52 = 2,421.10 : x
  2. Step 2: Convert to fraction form
    4,610.80/6,920.52 = 2,421.10/x
  3. Step 3: Cross multiply
    4,610.80x = 6,920.52 × 2,421.10
  4. Step 4: Simplify right side
    4,610.80x = 16,755,270.97
  5. Step 5: Solve for x
    x = 16,755,270.97/4,610.80
  6. Step 6: Final answer
    x = 3,633.92

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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.