Home / 8,718.20-13,075.93-3,170.73

Finding the Fourth Proportional to 8,718.20, 13,075.93 and 3,170.73

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Solution

The fourth proportional to 8,718.20, 13,075.93 and 3,170.73 is: 4,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.20 : 13,075.93 = 3,170.73 : x
  2. Step 2: Convert to fraction form
    8,718.20/13,075.93 = 3,170.73/x
  3. Step 3: Cross multiply
    8,718.20x = 13,075.93 × 3,170.73
  4. Step 4: Simplify right side
    8,718.20x = 41,460,243.53
  5. Step 5: Solve for x
    x = 41,460,243.53/8,718.20
  6. Step 6: Final answer
    x = 4,755.60

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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.