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Finding the Fourth Proportional to 4,548.71, 6,820.04 and 1,775.64

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Solution

The fourth proportional to 4,548.71, 6,820.04 and 1,775.64 is: 2,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.71 : 6,820.04 = 1,775.64 : x
  2. Step 2: Convert to fraction form
    4,548.71/6,820.04 = 1,775.64/x
  3. Step 3: Cross multiply
    4,548.71x = 6,820.04 × 1,775.64
  4. Step 4: Simplify right side
    4,548.71x = 12,109,940.26
  5. Step 5: Solve for x
    x = 12,109,940.26/4,548.71
  6. Step 6: Final answer
    x = 2,662.28

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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.