Home / 8,316.65-11,481.10-5,294.77

Finding the Fourth Proportional to 8,316.65, 11,481.10 and 5,294.77

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Solution

The fourth proportional to 8,316.65, 11,481.10 and 5,294.77 is: 7,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.65 : 11,481.10 = 5,294.77 : x
  2. Step 2: Convert to fraction form
    8,316.65/11,481.10 = 5,294.77/x
  3. Step 3: Cross multiply
    8,316.65x = 11,481.10 × 5,294.77
  4. Step 4: Simplify right side
    8,316.65x = 60,789,786.08
  5. Step 5: Solve for x
    x = 60,789,786.08/8,316.65
  6. Step 6: Final answer
    x = 7,309.41

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1.5x scale

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.