Home / 5,613.22-8,420.04-1,717.66

Finding the Fourth Proportional to 5,613.22, 8,420.04 and 1,717.66

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Solution

The fourth proportional to 5,613.22, 8,420.04 and 1,717.66 is: 2,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.22 : 8,420.04 = 1,717.66 : x
  2. Step 2: Convert to fraction form
    5,613.22/8,420.04 = 1,717.66/x
  3. Step 3: Cross multiply
    5,613.22x = 8,420.04 × 1,717.66
  4. Step 4: Simplify right side
    5,613.22x = 14,462,765.91
  5. Step 5: Solve for x
    x = 14,462,765.91/5,613.22
  6. Step 6: Final answer
    x = 2,576.55

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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.