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Finding the Fourth Proportional to 6,645.59, 9,963.01 and 2,485.00

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Solution

The fourth proportional to 6,645.59, 9,963.01 and 2,485.00 is: 3,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.59 : 9,963.01 = 2,485.00 : x
  2. Step 2: Convert to fraction form
    6,645.59/9,963.01 = 2,485.00/x
  3. Step 3: Cross multiply
    6,645.59x = 9,963.01 × 2,485.00
  4. Step 4: Simplify right side
    6,645.59x = 24,758,056.02
  5. Step 5: Solve for x
    x = 24,758,056.02/6,645.59
  6. Step 6: Final answer
    x = 3,725.48

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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.