Home / 4,780.26-7,162.82-3,687.30

Finding the Fourth Proportional to 4,780.26, 7,162.82 and 3,687.30

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Solution

The fourth proportional to 4,780.26, 7,162.82 and 3,687.30 is: 5,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.26 : 7,162.82 = 3,687.30 : x
  2. Step 2: Convert to fraction form
    4,780.26/7,162.82 = 3,687.30/x
  3. Step 3: Cross multiply
    4,780.26x = 7,162.82 × 3,687.30
  4. Step 4: Simplify right side
    4,780.26x = 26,411,466.19
  5. Step 5: Solve for x
    x = 26,411,466.19/4,780.26
  6. Step 6: Final answer
    x = 5,525.11

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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.