Home / 8,564.12-11,818.83-4,979.06

Finding the Fourth Proportional to 8,564.12, 11,818.83 and 4,979.06

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Solution

The fourth proportional to 8,564.12, 11,818.83 and 4,979.06 is: 6,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.12 : 11,818.83 = 4,979.06 : x
  2. Step 2: Convert to fraction form
    8,564.12/11,818.83 = 4,979.06/x
  3. Step 3: Cross multiply
    8,564.12x = 11,818.83 × 4,979.06
  4. Step 4: Simplify right side
    8,564.12x = 58,846,663.70
  5. Step 5: Solve for x
    x = 58,846,663.70/8,564.12
  6. Step 6: Final answer
    x = 6,871.30

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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.