Home / 7,849.52-10,828.16-6,359.12

Finding the Fourth Proportional to 7,849.52, 10,828.16 and 6,359.12

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Solution

The fourth proportional to 7,849.52, 10,828.16 and 6,359.12 is: 8,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.52 : 10,828.16 = 6,359.12 : x
  2. Step 2: Convert to fraction form
    7,849.52/10,828.16 = 6,359.12/x
  3. Step 3: Cross multiply
    7,849.52x = 10,828.16 × 6,359.12
  4. Step 4: Simplify right side
    7,849.52x = 68,857,568.82
  5. Step 5: Solve for x
    x = 68,857,568.82/7,849.52
  6. Step 6: Final answer
    x = 8,772.20

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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.