Home / 8,749.26-13,121.64-3,203.10

Finding the Fourth Proportional to 8,749.26, 13,121.64 and 3,203.10

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Solution

The fourth proportional to 8,749.26, 13,121.64 and 3,203.10 is: 4,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.26 : 13,121.64 = 3,203.10 : x
  2. Step 2: Convert to fraction form
    8,749.26/13,121.64 = 3,203.10/x
  3. Step 3: Cross multiply
    8,749.26x = 13,121.64 × 3,203.10
  4. Step 4: Simplify right side
    8,749.26x = 42,029,925.08
  5. Step 5: Solve for x
    x = 42,029,925.08/8,749.26
  6. Step 6: Final answer
    x = 4,803.83

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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.