Home / 9,025.80-13,538.70-3,181.65

Finding the Fourth Proportional to 9,025.80, 13,538.70 and 3,181.65

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Solution

The fourth proportional to 9,025.80, 13,538.70 and 3,181.65 is: 4,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.80 : 13,538.70 = 3,181.65 : x
  2. Step 2: Convert to fraction form
    9,025.80/13,538.70 = 3,181.65/x
  3. Step 3: Cross multiply
    9,025.80x = 13,538.70 × 3,181.65
  4. Step 4: Simplify right side
    9,025.80x = 43,075,404.86
  5. Step 5: Solve for x
    x = 43,075,404.86/9,025.80
  6. Step 6: Final answer
    x = 4,772.48

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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.