Home / 8,718.20-13,075.47-2,873.44

Finding the Fourth Proportional to 8,718.20, 13,075.47 and 2,873.44

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Solution

The fourth proportional to 8,718.20, 13,075.47 and 2,873.44 is: 4,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.20 : 13,075.47 = 2,873.44 : x
  2. Step 2: Convert to fraction form
    8,718.20/13,075.47 = 2,873.44/x
  3. Step 3: Cross multiply
    8,718.20x = 13,075.47 × 2,873.44
  4. Step 4: Simplify right side
    8,718.20x = 37,571,545.83
  5. Step 5: Solve for x
    x = 37,571,545.83/8,718.20
  6. Step 6: Final answer
    x = 4,309.56

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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.