Home / 5,827.78-8,741.58-1,445.21

Finding the Fourth Proportional to 5,827.78, 8,741.58 and 1,445.21

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Solution

The fourth proportional to 5,827.78, 8,741.58 and 1,445.21 is: 2,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.78 : 8,741.58 = 1,445.21 : x
  2. Step 2: Convert to fraction form
    5,827.78/8,741.58 = 1,445.21/x
  3. Step 3: Cross multiply
    5,827.78x = 8,741.58 × 1,445.21
  4. Step 4: Simplify right side
    5,827.78x = 12,633,418.83
  5. Step 5: Solve for x
    x = 12,633,418.83/5,827.78
  6. Step 6: Final answer
    x = 2,167.79

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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.