Home / 5,354.08-8,031.88-1,656.62

Finding the Fourth Proportional to 5,354.08, 8,031.88 and 1,656.62

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Solution

The fourth proportional to 5,354.08, 8,031.88 and 1,656.62 is: 2,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.08 : 8,031.88 = 1,656.62 : x
  2. Step 2: Convert to fraction form
    5,354.08/8,031.88 = 1,656.62/x
  3. Step 3: Cross multiply
    5,354.08x = 8,031.88 × 1,656.62
  4. Step 4: Simplify right side
    5,354.08x = 13,305,773.05
  5. Step 5: Solve for x
    x = 13,305,773.05/5,354.08
  6. Step 6: Final answer
    x = 2,485.17

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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.