Home / 5,605.49-8,408.23-1,709.86

Finding the Fourth Proportional to 5,605.49, 8,408.23 and 1,709.86

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Solution

The fourth proportional to 5,605.49, 8,408.23 and 1,709.86 is: 2,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.49 : 8,408.23 = 1,709.86 : x
  2. Step 2: Convert to fraction form
    5,605.49/8,408.23 = 1,709.86/x
  3. Step 3: Cross multiply
    5,605.49x = 8,408.23 × 1,709.86
  4. Step 4: Simplify right side
    5,605.49x = 14,376,870.85
  5. Step 5: Solve for x
    x = 14,376,870.85/5,605.49
  6. Step 6: Final answer
    x = 2,564.79

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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.