Home / 5,486.64-8,227.91-1,975.70

Finding the Fourth Proportional to 5,486.64, 8,227.91 and 1,975.70

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Solution

The fourth proportional to 5,486.64, 8,227.91 and 1,975.70 is: 2,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.64 : 8,227.91 = 1,975.70 : x
  2. Step 2: Convert to fraction form
    5,486.64/8,227.91 = 1,975.70/x
  3. Step 3: Cross multiply
    5,486.64x = 8,227.91 × 1,975.70
  4. Step 4: Simplify right side
    5,486.64x = 16,255,830.77
  5. Step 5: Solve for x
    x = 16,255,830.77/5,486.64
  6. Step 6: Final answer
    x = 2,962.80

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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.