Home / 7,098.60-10,638.99-4,169.64

Finding the Fourth Proportional to 7,098.60, 10,638.99 and 4,169.64

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Solution

The fourth proportional to 7,098.60, 10,638.99 and 4,169.64 is: 6,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.60 : 10,638.99 = 4,169.64 : x
  2. Step 2: Convert to fraction form
    7,098.60/10,638.99 = 4,169.64/x
  3. Step 3: Cross multiply
    7,098.60x = 10,638.99 × 4,169.64
  4. Step 4: Simplify right side
    7,098.60x = 44,360,758.26
  5. Step 5: Solve for x
    x = 44,360,758.26/7,098.60
  6. Step 6: Final answer
    x = 6,249.23

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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.