Home / 9,579.25-13,210.86-6,218.90

Finding the Fourth Proportional to 9,579.25, 13,210.86 and 6,218.90

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Solution

The fourth proportional to 9,579.25, 13,210.86 and 6,218.90 is: 8,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.25 : 13,210.86 = 6,218.90 : x
  2. Step 2: Convert to fraction form
    9,579.25/13,210.86 = 6,218.90/x
  3. Step 3: Cross multiply
    9,579.25x = 13,210.86 × 6,218.90
  4. Step 4: Simplify right side
    9,579.25x = 82,157,017.25
  5. Step 5: Solve for x
    x = 82,157,017.25/9,579.25
  6. Step 6: Final answer
    x = 8,576.56

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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.