Home / 6,369.10-8,789.79-3,681.25

Finding the Fourth Proportional to 6,369.10, 8,789.79 and 3,681.25

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Solution

The fourth proportional to 6,369.10, 8,789.79 and 3,681.25 is: 5,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.10 : 8,789.79 = 3,681.25 : x
  2. Step 2: Convert to fraction form
    6,369.10/8,789.79 = 3,681.25/x
  3. Step 3: Cross multiply
    6,369.10x = 8,789.79 × 3,681.25
  4. Step 4: Simplify right side
    6,369.10x = 32,357,414.44
  5. Step 5: Solve for x
    x = 32,357,414.44/6,369.10
  6. Step 6: Final answer
    x = 5,080.37

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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.