Home / 8,644.08-12,959.40-3,709.68

Finding the Fourth Proportional to 8,644.08, 12,959.40 and 3,709.68

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Solution

The fourth proportional to 8,644.08, 12,959.40 and 3,709.68 is: 5,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.08 : 12,959.40 = 3,709.68 : x
  2. Step 2: Convert to fraction form
    8,644.08/12,959.40 = 3,709.68/x
  3. Step 3: Cross multiply
    8,644.08x = 12,959.40 × 3,709.68
  4. Step 4: Simplify right side
    8,644.08x = 48,075,226.99
  5. Step 5: Solve for x
    x = 48,075,226.99/8,644.08
  6. Step 6: Final answer
    x = 5,561.64

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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.