Home / 9,220.61-12,723.45-5,636.44

Finding the Fourth Proportional to 9,220.61, 12,723.45 and 5,636.44

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Solution

The fourth proportional to 9,220.61, 12,723.45 and 5,636.44 is: 7,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.61 : 12,723.45 = 5,636.44 : x
  2. Step 2: Convert to fraction form
    9,220.61/12,723.45 = 5,636.44/x
  3. Step 3: Cross multiply
    9,220.61x = 12,723.45 × 5,636.44
  4. Step 4: Simplify right side
    9,220.61x = 71,715,040.63
  5. Step 5: Solve for x
    x = 71,715,040.63/9,220.61
  6. Step 6: Final answer
    x = 7,777.69

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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.