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Finding the Fourth Proportional to 6,649.60, 9,973.60 and 2,753.60

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Solution

The fourth proportional to 6,649.60, 9,973.60 and 2,753.60 is: 4,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.60 : 9,973.60 = 2,753.60 : x
  2. Step 2: Convert to fraction form
    6,649.60/9,973.60 = 2,753.60/x
  3. Step 3: Cross multiply
    6,649.60x = 9,973.60 × 2,753.60
  4. Step 4: Simplify right side
    6,649.60x = 27,463,304.96
  5. Step 5: Solve for x
    x = 27,463,304.96/6,649.60
  6. Step 6: Final answer
    x = 4,130.07

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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.