Home / 7,728.72-11,596.32-2,535.12

Finding the Fourth Proportional to 7,728.72, 11,596.32 and 2,535.12

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Solution

The fourth proportional to 7,728.72, 11,596.32 and 2,535.12 is: 3,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.72 : 11,596.32 = 2,535.12 : x
  2. Step 2: Convert to fraction form
    7,728.72/11,596.32 = 2,535.12/x
  3. Step 3: Cross multiply
    7,728.72x = 11,596.32 × 2,535.12
  4. Step 4: Simplify right side
    7,728.72x = 29,398,062.76
  5. Step 5: Solve for x
    x = 29,398,062.76/7,728.72
  6. Step 6: Final answer
    x = 3,803.74

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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.