Home / 4,780.62-6,600.29-3,290.22

Finding the Fourth Proportional to 4,780.62, 6,600.29 and 3,290.22

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Solution

The fourth proportional to 4,780.62, 6,600.29 and 3,290.22 is: 4,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.62 : 6,600.29 = 3,290.22 : x
  2. Step 2: Convert to fraction form
    4,780.62/6,600.29 = 3,290.22/x
  3. Step 3: Cross multiply
    4,780.62x = 6,600.29 × 3,290.22
  4. Step 4: Simplify right side
    4,780.62x = 21,716,389.71
  5. Step 5: Solve for x
    x = 21,716,389.71/4,780.62
  6. Step 6: Final answer
    x = 4,542.59

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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.