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Finding the Fourth Proportional to 9,841.59, 13,582.62 and 5,649.75

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Solution

The fourth proportional to 9,841.59, 13,582.62 and 5,649.75 is: 7,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.59 : 13,582.62 = 5,649.75 : x
  2. Step 2: Convert to fraction form
    9,841.59/13,582.62 = 5,649.75/x
  3. Step 3: Cross multiply
    9,841.59x = 13,582.62 × 5,649.75
  4. Step 4: Simplify right side
    9,841.59x = 76,738,407.35
  5. Step 5: Solve for x
    x = 76,738,407.35/9,841.59
  6. Step 6: Final answer
    x = 7,797.36

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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.