Home / 4,478.82-6,720.06-2,011.92

Finding the Fourth Proportional to 4,478.82, 6,720.06 and 2,011.92

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Solution

The fourth proportional to 4,478.82, 6,720.06 and 2,011.92 is: 3,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.82 : 6,720.06 = 2,011.92 : x
  2. Step 2: Convert to fraction form
    4,478.82/6,720.06 = 2,011.92/x
  3. Step 3: Cross multiply
    4,478.82x = 6,720.06 × 2,011.92
  4. Step 4: Simplify right side
    4,478.82x = 13,520,223.12
  5. Step 5: Solve for x
    x = 13,520,223.12/4,478.82
  6. Step 6: Final answer
    x = 3,018.70

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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.