Home / 6,319.10-9,486.45-3,979.10

Finding the Fourth Proportional to 6,319.10, 9,486.45 and 3,979.10

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Solution

The fourth proportional to 6,319.10, 9,486.45 and 3,979.10 is: 5,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.10 : 9,486.45 = 3,979.10 : x
  2. Step 2: Convert to fraction form
    6,319.10/9,486.45 = 3,979.10/x
  3. Step 3: Cross multiply
    6,319.10x = 9,486.45 × 3,979.10
  4. Step 4: Simplify right side
    6,319.10x = 37,747,533.20
  5. Step 5: Solve for x
    x = 37,747,533.20/6,319.10
  6. Step 6: Final answer
    x = 5,973.56

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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.