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Finding the Fourth Proportional to 5,605.49, 8,408.24 and 1,709.87

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Solution

The fourth proportional to 5,605.49, 8,408.24 and 1,709.87 is: 2,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.49 : 8,408.24 = 1,709.87 : x
  2. Step 2: Convert to fraction form
    5,605.49/8,408.24 = 1,709.87/x
  3. Step 3: Cross multiply
    5,605.49x = 8,408.24 × 1,709.87
  4. Step 4: Simplify right side
    5,605.49x = 14,376,946.74
  5. Step 5: Solve for x
    x = 14,376,946.74/5,605.49
  6. Step 6: Final answer
    x = 2,564.80

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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.