Home / 6,828.80-10,232.40-5,727.20

Finding the Fourth Proportional to 6,828.80, 10,232.40 and 5,727.20

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Solution

The fourth proportional to 6,828.80, 10,232.40 and 5,727.20 is: 8,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.80 : 10,232.40 = 5,727.20 : x
  2. Step 2: Convert to fraction form
    6,828.80/10,232.40 = 5,727.20/x
  3. Step 3: Cross multiply
    6,828.80x = 10,232.40 × 5,727.20
  4. Step 4: Simplify right side
    6,828.80x = 58,603,001.28
  5. Step 5: Solve for x
    x = 58,603,001.28/6,828.80
  6. Step 6: Final answer
    x = 8,581.74

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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.