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Finding the Fourth Proportional to 6,444.16, 8,893.12 and 3,649.60

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Solution

The fourth proportional to 6,444.16, 8,893.12 and 3,649.60 is: 5,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.16 : 8,893.12 = 3,649.60 : x
  2. Step 2: Convert to fraction form
    6,444.16/8,893.12 = 3,649.60/x
  3. Step 3: Cross multiply
    6,444.16x = 8,893.12 × 3,649.60
  4. Step 4: Simplify right side
    6,444.16x = 32,456,330.75
  5. Step 5: Solve for x
    x = 32,456,330.75/6,444.16
  6. Step 6: Final answer
    x = 5,036.55

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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.