Home / 4,687.11-6,469.35-2,920.77

Finding the Fourth Proportional to 4,687.11, 6,469.35 and 2,920.77

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Solution

The fourth proportional to 4,687.11, 6,469.35 and 2,920.77 is: 4,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.11 : 6,469.35 = 2,920.77 : x
  2. Step 2: Convert to fraction form
    4,687.11/6,469.35 = 2,920.77/x
  3. Step 3: Cross multiply
    4,687.11x = 6,469.35 × 2,920.77
  4. Step 4: Simplify right side
    4,687.11x = 18,895,483.40
  5. Step 5: Solve for x
    x = 18,895,483.40/4,687.11
  6. Step 6: Final answer
    x = 4,031.37

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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.