Home / 4,684.20-7,028.59-2,605.74

Finding the Fourth Proportional to 4,684.20, 7,028.59 and 2,605.74

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Solution

The fourth proportional to 4,684.20, 7,028.59 and 2,605.74 is: 3,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.20 : 7,028.59 = 2,605.74 : x
  2. Step 2: Convert to fraction form
    4,684.20/7,028.59 = 2,605.74/x
  3. Step 3: Cross multiply
    4,684.20x = 7,028.59 × 2,605.74
  4. Step 4: Simplify right side
    4,684.20x = 18,314,678.11
  5. Step 5: Solve for x
    x = 18,314,678.11/4,684.20
  6. Step 6: Final answer
    x = 3,909.88

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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.