Home / 4,192.56-6,290.73-1,729.08

Finding the Fourth Proportional to 4,192.56, 6,290.73 and 1,729.08

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Solution

The fourth proportional to 4,192.56, 6,290.73 and 1,729.08 is: 2,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.56 : 6,290.73 = 1,729.08 : x
  2. Step 2: Convert to fraction form
    4,192.56/6,290.73 = 1,729.08/x
  3. Step 3: Cross multiply
    4,192.56x = 6,290.73 × 1,729.08
  4. Step 4: Simplify right side
    4,192.56x = 10,877,175.43
  5. Step 5: Solve for x
    x = 10,877,175.43/4,192.56
  6. Step 6: Final answer
    x = 2,594.40

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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.