Home / 7,141.08-9,801.24-6,476.88

Finding the Fourth Proportional to 7,141.08, 9,801.24 and 6,476.88

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Solution

The fourth proportional to 7,141.08, 9,801.24 and 6,476.88 is: 8,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.08 : 9,801.24 = 6,476.88 : x
  2. Step 2: Convert to fraction form
    7,141.08/9,801.24 = 6,476.88/x
  3. Step 3: Cross multiply
    7,141.08x = 9,801.24 × 6,476.88
  4. Step 4: Simplify right side
    7,141.08x = 63,481,455.33
  5. Step 5: Solve for x
    x = 63,481,455.33/7,141.08
  6. Step 6: Final answer
    x = 8,889.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.