Home / 5,334.80-8,001.72-1,871.84

Finding the Fourth Proportional to 5,334.80, 8,001.72 and 1,871.84

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Solution

The fourth proportional to 5,334.80, 8,001.72 and 1,871.84 is: 2,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.80 : 8,001.72 = 1,871.84 : x
  2. Step 2: Convert to fraction form
    5,334.80/8,001.72 = 1,871.84/x
  3. Step 3: Cross multiply
    5,334.80x = 8,001.72 × 1,871.84
  4. Step 4: Simplify right side
    5,334.80x = 14,977,939.56
  5. Step 5: Solve for x
    x = 14,977,939.56/5,334.80
  6. Step 6: Final answer
    x = 2,807.59

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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.