Home / 8,758.70-13,140.27-2,518.58

Finding the Fourth Proportional to 8,758.70, 13,140.27 and 2,518.58

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Solution

The fourth proportional to 8,758.70, 13,140.27 and 2,518.58 is: 3,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.70 : 13,140.27 = 2,518.58 : x
  2. Step 2: Convert to fraction form
    8,758.70/13,140.27 = 2,518.58/x
  3. Step 3: Cross multiply
    8,758.70x = 13,140.27 × 2,518.58
  4. Step 4: Simplify right side
    8,758.70x = 33,094,755.52
  5. Step 5: Solve for x
    x = 33,094,755.52/8,758.70
  6. Step 6: Final answer
    x = 3,778.50

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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.