Home / 5,505.21-8,257.05-1,807.02

Finding the Fourth Proportional to 5,505.21, 8,257.05 and 1,807.02

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Solution

The fourth proportional to 5,505.21, 8,257.05 and 1,807.02 is: 2,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.21 : 8,257.05 = 1,807.02 : x
  2. Step 2: Convert to fraction form
    5,505.21/8,257.05 = 1,807.02/x
  3. Step 3: Cross multiply
    5,505.21x = 8,257.05 × 1,807.02
  4. Step 4: Simplify right side
    5,505.21x = 14,920,654.49
  5. Step 5: Solve for x
    x = 14,920,654.49/5,505.21
  6. Step 6: Final answer
    x = 2,710.28

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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.