Home / 5,631.42-8,447.40-1,736.40

Finding the Fourth Proportional to 5,631.42, 8,447.40 and 1,736.40

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Solution

The fourth proportional to 5,631.42, 8,447.40 and 1,736.40 is: 2,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.42 : 8,447.40 = 1,736.40 : x
  2. Step 2: Convert to fraction form
    5,631.42/8,447.40 = 1,736.40/x
  3. Step 3: Cross multiply
    5,631.42x = 8,447.40 × 1,736.40
  4. Step 4: Simplify right side
    5,631.42x = 14,668,065.36
  5. Step 5: Solve for x
    x = 14,668,065.36/5,631.42
  6. Step 6: Final answer
    x = 2,604.68

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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.