Home / 8,988.42-13,482.62-3,791.46

Finding the Fourth Proportional to 8,988.42, 13,482.62 and 3,791.46

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Solution

The fourth proportional to 8,988.42, 13,482.62 and 3,791.46 is: 5,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.42 : 13,482.62 = 3,791.46 : x
  2. Step 2: Convert to fraction form
    8,988.42/13,482.62 = 3,791.46/x
  3. Step 3: Cross multiply
    8,988.42x = 13,482.62 × 3,791.46
  4. Step 4: Simplify right side
    8,988.42x = 51,118,814.43
  5. Step 5: Solve for x
    x = 51,118,814.43/8,988.42
  6. Step 6: Final answer
    x = 5,687.19

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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.