Home / 5,769.08-8,655.63-1,820.95

Finding the Fourth Proportional to 5,769.08, 8,655.63 and 1,820.95

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Solution

The fourth proportional to 5,769.08, 8,655.63 and 1,820.95 is: 2,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.08 : 8,655.63 = 1,820.95 : x
  2. Step 2: Convert to fraction form
    5,769.08/8,655.63 = 1,820.95/x
  3. Step 3: Cross multiply
    5,769.08x = 8,655.63 × 1,820.95
  4. Step 4: Simplify right side
    5,769.08x = 15,761,447.81
  5. Step 5: Solve for x
    x = 15,761,447.81/5,769.08
  6. Step 6: Final answer
    x = 2,732.05

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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.