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Finding the Fourth Proportional to 5,605.46, 8,408.12 and 1,709.86

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Solution

The fourth proportional to 5,605.46, 8,408.12 and 1,709.86 is: 2,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.46 : 8,408.12 = 1,709.86 : x
  2. Step 2: Convert to fraction form
    5,605.46/8,408.12 = 1,709.86/x
  3. Step 3: Cross multiply
    5,605.46x = 8,408.12 × 1,709.86
  4. Step 4: Simplify right side
    5,605.46x = 14,376,708.06
  5. Step 5: Solve for x
    x = 14,376,708.06/5,605.46
  6. Step 6: Final answer
    x = 2,564.77

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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.