Home / 4,620.49-6,924.70-2,120.77

Finding the Fourth Proportional to 4,620.49, 6,924.70 and 2,120.77

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Solution

The fourth proportional to 4,620.49, 6,924.70 and 2,120.77 is: 3,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.49 : 6,924.70 = 2,120.77 : x
  2. Step 2: Convert to fraction form
    4,620.49/6,924.70 = 2,120.77/x
  3. Step 3: Cross multiply
    4,620.49x = 6,924.70 × 2,120.77
  4. Step 4: Simplify right side
    4,620.49x = 14,685,650.79
  5. Step 5: Solve for x
    x = 14,685,650.79/4,620.49
  6. Step 6: Final answer
    x = 3,178.38

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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.