Home / 8,749.02-13,129.62-3,816.12

Finding the Fourth Proportional to 8,749.02, 13,129.62 and 3,816.12

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Solution

The fourth proportional to 8,749.02, 13,129.62 and 3,816.12 is: 5,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.02 : 13,129.62 = 3,816.12 : x
  2. Step 2: Convert to fraction form
    8,749.02/13,129.62 = 3,816.12/x
  3. Step 3: Cross multiply
    8,749.02x = 13,129.62 × 3,816.12
  4. Step 4: Simplify right side
    8,749.02x = 50,104,205.47
  5. Step 5: Solve for x
    x = 50,104,205.47/8,749.02
  6. Step 6: Final answer
    x = 5,726.84

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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.