Home / 5,577-8,366.85-1,681.44

Finding the Fourth Proportional to 5,577, 8,366.85 and 1,681.44

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Solution

The fourth proportional to 5,577, 8,366.85 and 1,681.44 is: 2,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577 : 8,366.85 = 1,681.44 : x
  2. Step 2: Convert to fraction form
    5,577/8,366.85 = 1,681.44/x
  3. Step 3: Cross multiply
    5,577x = 8,366.85 × 1,681.44
  4. Step 4: Simplify right side
    5,577x = 14,068,356.26
  5. Step 5: Solve for x
    x = 14,068,356.26/5,577
  6. Step 6: Final answer
    x = 2,522.57

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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.