Home / 6,971.31-10,457.88-2,040.90

Finding the Fourth Proportional to 6,971.31, 10,457.88 and 2,040.90

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Solution

The fourth proportional to 6,971.31, 10,457.88 and 2,040.90 is: 3,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.31 : 10,457.88 = 2,040.90 : x
  2. Step 2: Convert to fraction form
    6,971.31/10,457.88 = 2,040.90/x
  3. Step 3: Cross multiply
    6,971.31x = 10,457.88 × 2,040.90
  4. Step 4: Simplify right side
    6,971.31x = 21,343,487.29
  5. Step 5: Solve for x
    x = 21,343,487.29/6,971.31
  6. Step 6: Final answer
    x = 3,061.62

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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.