Home / 7,215.72-10,816.92-2,597.64

Finding the Fourth Proportional to 7,215.72, 10,816.92 and 2,597.64

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Solution

The fourth proportional to 7,215.72, 10,816.92 and 2,597.64 is: 3,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.72 : 10,816.92 = 2,597.64 : x
  2. Step 2: Convert to fraction form
    7,215.72/10,816.92 = 2,597.64/x
  3. Step 3: Cross multiply
    7,215.72x = 10,816.92 × 2,597.64
  4. Step 4: Simplify right side
    7,215.72x = 28,098,464.07
  5. Step 5: Solve for x
    x = 28,098,464.07/7,215.72
  6. Step 6: Final answer
    x = 3,894.06

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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.