Home / 7,727.30-10,669.19-6,109.80

Finding the Fourth Proportional to 7,727.30, 10,669.19 and 6,109.80

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Solution

The fourth proportional to 7,727.30, 10,669.19 and 6,109.80 is: 8,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.30 : 10,669.19 = 6,109.80 : x
  2. Step 2: Convert to fraction form
    7,727.30/10,669.19 = 6,109.80/x
  3. Step 3: Cross multiply
    7,727.30x = 10,669.19 × 6,109.80
  4. Step 4: Simplify right side
    7,727.30x = 65,186,586.51
  5. Step 5: Solve for x
    x = 65,186,586.51/7,727.30
  6. Step 6: Final answer
    x = 8,435.89

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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.