Home / 8,520.30-11,757.90-4,743.63

Finding the Fourth Proportional to 8,520.30, 11,757.90 and 4,743.63

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Solution

The fourth proportional to 8,520.30, 11,757.90 and 4,743.63 is: 6,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.30 : 11,757.90 = 4,743.63 : x
  2. Step 2: Convert to fraction form
    8,520.30/11,757.90 = 4,743.63/x
  3. Step 3: Cross multiply
    8,520.30x = 11,757.90 × 4,743.63
  4. Step 4: Simplify right side
    8,520.30x = 55,775,127.18
  5. Step 5: Solve for x
    x = 55,775,127.18/8,520.30
  6. Step 6: Final answer
    x = 6,546.15

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1.5x scale

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.