Home / 7,908.72-10,913.82-4,371.84

Finding the Fourth Proportional to 7,908.72, 10,913.82 and 4,371.84

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Solution

The fourth proportional to 7,908.72, 10,913.82 and 4,371.84 is: 6,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.72 : 10,913.82 = 4,371.84 : x
  2. Step 2: Convert to fraction form
    7,908.72/10,913.82 = 4,371.84/x
  3. Step 3: Cross multiply
    7,908.72x = 10,913.82 × 4,371.84
  4. Step 4: Simplify right side
    7,908.72x = 47,713,474.83
  5. Step 5: Solve for x
    x = 47,713,474.83/7,908.72
  6. Step 6: Final answer
    x = 6,033.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.