Home / 8,754.48-13,130.16-3,489.05

Finding the Fourth Proportional to 8,754.48, 13,130.16 and 3,489.05

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Solution

The fourth proportional to 8,754.48, 13,130.16 and 3,489.05 is: 5,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.48 : 13,130.16 = 3,489.05 : x
  2. Step 2: Convert to fraction form
    8,754.48/13,130.16 = 3,489.05/x
  3. Step 3: Cross multiply
    8,754.48x = 13,130.16 × 3,489.05
  4. Step 4: Simplify right side
    8,754.48x = 45,811,784.75
  5. Step 5: Solve for x
    x = 45,811,784.75/8,754.48
  6. Step 6: Final answer
    x = 5,232.95

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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.