Home / 7,955.42-11,928.47-2,407.12

Finding the Fourth Proportional to 7,955.42, 11,928.47 and 2,407.12

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Solution

The fourth proportional to 7,955.42, 11,928.47 and 2,407.12 is: 3,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.42 : 11,928.47 = 2,407.12 : x
  2. Step 2: Convert to fraction form
    7,955.42/11,928.47 = 2,407.12/x
  3. Step 3: Cross multiply
    7,955.42x = 11,928.47 × 2,407.12
  4. Step 4: Simplify right side
    7,955.42x = 28,713,216.85
  5. Step 5: Solve for x
    x = 28,713,216.85/7,955.42
  6. Step 6: Final answer
    x = 3,609.27

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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.