Home / 8,679.14-13,014.81-2,754.35

Finding the Fourth Proportional to 8,679.14, 13,014.81 and 2,754.35

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Solution

The fourth proportional to 8,679.14, 13,014.81 and 2,754.35 is: 4,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.14 : 13,014.81 = 2,754.35 : x
  2. Step 2: Convert to fraction form
    8,679.14/13,014.81 = 2,754.35/x
  3. Step 3: Cross multiply
    8,679.14x = 13,014.81 × 2,754.35
  4. Step 4: Simplify right side
    8,679.14x = 35,847,295.61
  5. Step 5: Solve for x
    x = 35,847,295.61/8,679.14
  6. Step 6: Final answer
    x = 4,130.28

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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.