Home / 5,334.30-8,001.45-1,871.90

Finding the Fourth Proportional to 5,334.30, 8,001.45 and 1,871.90

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Solution

The fourth proportional to 5,334.30, 8,001.45 and 1,871.90 is: 2,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.30 : 8,001.45 = 1,871.90 : x
  2. Step 2: Convert to fraction form
    5,334.30/8,001.45 = 1,871.90/x
  3. Step 3: Cross multiply
    5,334.30x = 8,001.45 × 1,871.90
  4. Step 4: Simplify right side
    5,334.30x = 14,977,914.26
  5. Step 5: Solve for x
    x = 14,977,914.26/5,334.30
  6. Step 6: Final answer
    x = 2,807.85

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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.