Home / 4,722.80-7,111.67-3,498.89

Finding the Fourth Proportional to 4,722.80, 7,111.67 and 3,498.89

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Solution

The fourth proportional to 4,722.80, 7,111.67 and 3,498.89 is: 5,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.80 : 7,111.67 = 3,498.89 : x
  2. Step 2: Convert to fraction form
    4,722.80/7,111.67 = 3,498.89/x
  3. Step 3: Cross multiply
    4,722.80x = 7,111.67 × 3,498.89
  4. Step 4: Simplify right side
    4,722.80x = 24,882,897.99
  5. Step 5: Solve for x
    x = 24,882,897.99/4,722.80
  6. Step 6: Final answer
    x = 5,268.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.