Home / 4,681.43-7,019.82-2,489.57

Finding the Fourth Proportional to 4,681.43, 7,019.82 and 2,489.57

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Solution

The fourth proportional to 4,681.43, 7,019.82 and 2,489.57 is: 3,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.43 : 7,019.82 = 2,489.57 : x
  2. Step 2: Convert to fraction form
    4,681.43/7,019.82 = 2,489.57/x
  3. Step 3: Cross multiply
    4,681.43x = 7,019.82 × 2,489.57
  4. Step 4: Simplify right side
    4,681.43x = 17,476,298.18
  5. Step 5: Solve for x
    x = 17,476,298.18/4,681.43
  6. Step 6: Final answer
    x = 3,733.12

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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.