Home / 6,786.13-10,176.76-5,328.13

Finding the Fourth Proportional to 6,786.13, 10,176.76 and 5,328.13

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Solution

The fourth proportional to 6,786.13, 10,176.76 and 5,328.13 is: 7,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.13 : 10,176.76 = 5,328.13 : x
  2. Step 2: Convert to fraction form
    6,786.13/10,176.76 = 5,328.13/x
  3. Step 3: Cross multiply
    6,786.13x = 10,176.76 × 5,328.13
  4. Step 4: Simplify right side
    6,786.13x = 54,223,100.26
  5. Step 5: Solve for x
    x = 54,223,100.26/6,786.13
  6. Step 6: Final answer
    x = 7,990.28

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1.5x scale

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.