Home / 8,718.21-13,075.47-2,873.43

Finding the Fourth Proportional to 8,718.21, 13,075.47 and 2,873.43

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Solution

The fourth proportional to 8,718.21, 13,075.47 and 2,873.43 is: 4,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.21 : 13,075.47 = 2,873.43 : x
  2. Step 2: Convert to fraction form
    8,718.21/13,075.47 = 2,873.43/x
  3. Step 3: Cross multiply
    8,718.21x = 13,075.47 × 2,873.43
  4. Step 4: Simplify right side
    8,718.21x = 37,571,447.76
  5. Step 5: Solve for x
    x = 37,571,447.76/8,718.21
  6. Step 6: Final answer
    x = 4,309.54

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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.