Home / 8,971.08-13,457.34-3,127.56

Finding the Fourth Proportional to 8,971.08, 13,457.34 and 3,127.56

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Solution

The fourth proportional to 8,971.08, 13,457.34 and 3,127.56 is: 4,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.08 : 13,457.34 = 3,127.56 : x
  2. Step 2: Convert to fraction form
    8,971.08/13,457.34 = 3,127.56/x
  3. Step 3: Cross multiply
    8,971.08x = 13,457.34 × 3,127.56
  4. Step 4: Simplify right side
    8,971.08x = 42,088,638.29
  5. Step 5: Solve for x
    x = 42,088,638.29/8,971.08
  6. Step 6: Final answer
    x = 4,691.59

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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.