Home / 6,929.76-9,563.22-3,786.16

Finding the Fourth Proportional to 6,929.76, 9,563.22 and 3,786.16

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Solution

The fourth proportional to 6,929.76, 9,563.22 and 3,786.16 is: 5,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.76 : 9,563.22 = 3,786.16 : x
  2. Step 2: Convert to fraction form
    6,929.76/9,563.22 = 3,786.16/x
  3. Step 3: Cross multiply
    6,929.76x = 9,563.22 × 3,786.16
  4. Step 4: Simplify right side
    6,929.76x = 36,207,881.04
  5. Step 5: Solve for x
    x = 36,207,881.04/6,929.76
  6. Step 6: Final answer
    x = 5,224.98

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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.