Home / 5,613.81-8,425.90-2,842.42

Finding the Fourth Proportional to 5,613.81, 8,425.90 and 2,842.42

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Solution

The fourth proportional to 5,613.81, 8,425.90 and 2,842.42 is: 4,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.81 : 8,425.90 = 2,842.42 : x
  2. Step 2: Convert to fraction form
    5,613.81/8,425.90 = 2,842.42/x
  3. Step 3: Cross multiply
    5,613.81x = 8,425.90 × 2,842.42
  4. Step 4: Simplify right side
    5,613.81x = 23,949,913.27
  5. Step 5: Solve for x
    x = 23,949,913.27/5,613.81
  6. Step 6: Final answer
    x = 4,266.25

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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.