Home / 8,971.29-13,457.54-3,127.14

Finding the Fourth Proportional to 8,971.29, 13,457.54 and 3,127.14

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Solution

The fourth proportional to 8,971.29, 13,457.54 and 3,127.14 is: 4,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.29 : 13,457.54 = 3,127.14 : x
  2. Step 2: Convert to fraction form
    8,971.29/13,457.54 = 3,127.14/x
  3. Step 3: Cross multiply
    8,971.29x = 13,457.54 × 3,127.14
  4. Step 4: Simplify right side
    8,971.29x = 42,083,619.45
  5. Step 5: Solve for x
    x = 42,083,619.45/8,971.29
  6. Step 6: Final answer
    x = 4,690.92

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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.