Home / 4,681.56-7,020.94-2,489.12

Finding the Fourth Proportional to 4,681.56, 7,020.94 and 2,489.12

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Solution

The fourth proportional to 4,681.56, 7,020.94 and 2,489.12 is: 3,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.56 : 7,020.94 = 2,489.12 : x
  2. Step 2: Convert to fraction form
    4,681.56/7,020.94 = 2,489.12/x
  3. Step 3: Cross multiply
    4,681.56x = 7,020.94 × 2,489.12
  4. Step 4: Simplify right side
    4,681.56x = 17,475,962.17
  5. Step 5: Solve for x
    x = 17,475,962.17/4,681.56
  6. Step 6: Final answer
    x = 3,732.94

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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.