Home / 4,971.67-7,457.11-2,890.34

Finding the Fourth Proportional to 4,971.67, 7,457.11 and 2,890.34

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Solution

The fourth proportional to 4,971.67, 7,457.11 and 2,890.34 is: 4,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.67 : 7,457.11 = 2,890.34 : x
  2. Step 2: Convert to fraction form
    4,971.67/7,457.11 = 2,890.34/x
  3. Step 3: Cross multiply
    4,971.67x = 7,457.11 × 2,890.34
  4. Step 4: Simplify right side
    4,971.67x = 21,553,614.14
  5. Step 5: Solve for x
    x = 21,553,614.14/4,971.67
  6. Step 6: Final answer
    x = 4,335.29

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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.