Home / 7,653.42-11,485.30-2,723.14

Finding the Fourth Proportional to 7,653.42, 11,485.30 and 2,723.14

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Solution

The fourth proportional to 7,653.42, 11,485.30 and 2,723.14 is: 4,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.42 : 11,485.30 = 2,723.14 : x
  2. Step 2: Convert to fraction form
    7,653.42/11,485.30 = 2,723.14/x
  3. Step 3: Cross multiply
    7,653.42x = 11,485.30 × 2,723.14
  4. Step 4: Simplify right side
    7,653.42x = 31,276,079.84
  5. Step 5: Solve for x
    x = 31,276,079.84/7,653.42
  6. Step 6: Final answer
    x = 4,086.55

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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.