Home / 4,168.40-6,249.48-1,393.46

Finding the Fourth Proportional to 4,168.40, 6,249.48 and 1,393.46

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Solution

The fourth proportional to 4,168.40, 6,249.48 and 1,393.46 is: 2,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.40 : 6,249.48 = 1,393.46 : x
  2. Step 2: Convert to fraction form
    4,168.40/6,249.48 = 1,393.46/x
  3. Step 3: Cross multiply
    4,168.40x = 6,249.48 × 1,393.46
  4. Step 4: Simplify right side
    4,168.40x = 8,708,400.40
  5. Step 5: Solve for x
    x = 8,708,400.40/4,168.40
  6. Step 6: Final answer
    x = 2,089.15

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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.