Home / 4,218.39-6,327.40-1,445.31

Finding the Fourth Proportional to 4,218.39, 6,327.40 and 1,445.31

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Solution

The fourth proportional to 4,218.39, 6,327.40 and 1,445.31 is: 2,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.39 : 6,327.40 = 1,445.31 : x
  2. Step 2: Convert to fraction form
    4,218.39/6,327.40 = 1,445.31/x
  3. Step 3: Cross multiply
    4,218.39x = 6,327.40 × 1,445.31
  4. Step 4: Simplify right side
    4,218.39x = 9,145,054.49
  5. Step 5: Solve for x
    x = 9,145,054.49/4,218.39
  6. Step 6: Final answer
    x = 2,167.90

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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.