Home / 8,457.08-11,668.66-5,101.86

Finding the Fourth Proportional to 8,457.08, 11,668.66 and 5,101.86

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Solution

The fourth proportional to 8,457.08, 11,668.66 and 5,101.86 is: 7,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.08 : 11,668.66 = 5,101.86 : x
  2. Step 2: Convert to fraction form
    8,457.08/11,668.66 = 5,101.86/x
  3. Step 3: Cross multiply
    8,457.08x = 11,668.66 × 5,101.86
  4. Step 4: Simplify right side
    8,457.08x = 59,531,869.71
  5. Step 5: Solve for x
    x = 59,531,869.71/8,457.08
  6. Step 6: Final answer
    x = 7,039.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.