Home / 6,885.80-10,328.72-2,726.79

Finding the Fourth Proportional to 6,885.80, 10,328.72 and 2,726.79

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Solution

The fourth proportional to 6,885.80, 10,328.72 and 2,726.79 is: 4,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.80 : 10,328.72 = 2,726.79 : x
  2. Step 2: Convert to fraction form
    6,885.80/10,328.72 = 2,726.79/x
  3. Step 3: Cross multiply
    6,885.80x = 10,328.72 × 2,726.79
  4. Step 4: Simplify right side
    6,885.80x = 28,164,250.41
  5. Step 5: Solve for x
    x = 28,164,250.41/6,885.80
  6. Step 6: Final answer
    x = 4,090.19

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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.