Home / 8,784.70-12,122.37-4,805.02

Finding the Fourth Proportional to 8,784.70, 12,122.37 and 4,805.02

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Solution

The fourth proportional to 8,784.70, 12,122.37 and 4,805.02 is: 6,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.70 : 12,122.37 = 4,805.02 : x
  2. Step 2: Convert to fraction form
    8,784.70/12,122.37 = 4,805.02/x
  3. Step 3: Cross multiply
    8,784.70x = 12,122.37 × 4,805.02
  4. Step 4: Simplify right side
    8,784.70x = 58,248,230.30
  5. Step 5: Solve for x
    x = 58,248,230.30/8,784.70
  6. Step 6: Final answer
    x = 6,630.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.