Home / 8,247.78-11,384.03-4,713.08

Finding the Fourth Proportional to 8,247.78, 11,384.03 and 4,713.08

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Solution

The fourth proportional to 8,247.78, 11,384.03 and 4,713.08 is: 6,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.78 : 11,384.03 = 4,713.08 : x
  2. Step 2: Convert to fraction form
    8,247.78/11,384.03 = 4,713.08/x
  3. Step 3: Cross multiply
    8,247.78x = 11,384.03 × 4,713.08
  4. Step 4: Simplify right side
    8,247.78x = 53,653,798.97
  5. Step 5: Solve for x
    x = 53,653,798.97/8,247.78
  6. Step 6: Final answer
    x = 6,505.24

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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.