Home / 4,971.70-7,457.16-2,890.38

Finding the Fourth Proportional to 4,971.70, 7,457.16 and 2,890.38

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Solution

The fourth proportional to 4,971.70, 7,457.16 and 2,890.38 is: 4,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.70 : 7,457.16 = 2,890.38 : x
  2. Step 2: Convert to fraction form
    4,971.70/7,457.16 = 2,890.38/x
  3. Step 3: Cross multiply
    4,971.70x = 7,457.16 × 2,890.38
  4. Step 4: Simplify right side
    4,971.70x = 21,553,974.38
  5. Step 5: Solve for x
    x = 21,553,974.38/4,971.70
  6. Step 6: Final answer
    x = 4,335.33

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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.