Home / 4,218.50-6,327.84-1,445.16

Finding the Fourth Proportional to 4,218.50, 6,327.84 and 1,445.16

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Solution

The fourth proportional to 4,218.50, 6,327.84 and 1,445.16 is: 2,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.50 : 6,327.84 = 1,445.16 : x
  2. Step 2: Convert to fraction form
    4,218.50/6,327.84 = 1,445.16/x
  3. Step 3: Cross multiply
    4,218.50x = 6,327.84 × 1,445.16
  4. Step 4: Simplify right side
    4,218.50x = 9,144,741.25
  5. Step 5: Solve for x
    x = 9,144,741.25/4,218.50
  6. Step 6: Final answer
    x = 2,167.77

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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.