Home / 5,605.64-8,408.40-2,318.66

Finding the Fourth Proportional to 5,605.64, 8,408.40 and 2,318.66

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Solution

The fourth proportional to 5,605.64, 8,408.40 and 2,318.66 is: 3,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.64 : 8,408.40 = 2,318.66 : x
  2. Step 2: Convert to fraction form
    5,605.64/8,408.40 = 2,318.66/x
  3. Step 3: Cross multiply
    5,605.64x = 8,408.40 × 2,318.66
  4. Step 4: Simplify right side
    5,605.64x = 19,496,220.74
  5. Step 5: Solve for x
    x = 19,496,220.74/5,605.64
  6. Step 6: Final answer
    x = 3,477.97

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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.