Home / 6,888.16-10,327.74-2,728.72

Finding the Fourth Proportional to 6,888.16, 10,327.74 and 2,728.72

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Solution

The fourth proportional to 6,888.16, 10,327.74 and 2,728.72 is: 4,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.16 : 10,327.74 = 2,728.72 : x
  2. Step 2: Convert to fraction form
    6,888.16/10,327.74 = 2,728.72/x
  3. Step 3: Cross multiply
    6,888.16x = 10,327.74 × 2,728.72
  4. Step 4: Simplify right side
    6,888.16x = 28,181,510.69
  5. Step 5: Solve for x
    x = 28,181,510.69/6,888.16
  6. Step 6: Final answer
    x = 4,091.30

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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.