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Finding the Fourth Proportional to 5,752.22, 8,623.73 and 5,290.92

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Solution

The fourth proportional to 5,752.22, 8,623.73 and 5,290.92 is: 7,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.22 : 8,623.73 = 5,290.92 : x
  2. Step 2: Convert to fraction form
    5,752.22/8,623.73 = 5,290.92/x
  3. Step 3: Cross multiply
    5,752.22x = 8,623.73 × 5,290.92
  4. Step 4: Simplify right side
    5,752.22x = 45,627,478.76
  5. Step 5: Solve for x
    x = 45,627,478.76/5,752.22
  6. Step 6: Final answer
    x = 7,932.16

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1.5x scale

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.