Home / 5,631.26-8,437.66-3,979.74

Finding the Fourth Proportional to 5,631.26, 8,437.66 and 3,979.74

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Solution

The fourth proportional to 5,631.26, 8,437.66 and 3,979.74 is: 5,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.26 : 8,437.66 = 3,979.74 : x
  2. Step 2: Convert to fraction form
    5,631.26/8,437.66 = 3,979.74/x
  3. Step 3: Cross multiply
    5,631.26x = 8,437.66 × 3,979.74
  4. Step 4: Simplify right side
    5,631.26x = 33,579,693.01
  5. Step 5: Solve for x
    x = 33,579,693.01/5,631.26
  6. Step 6: Final answer
    x = 5,963.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.