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Finding the Fourth Proportional to 5,604.39, 8,406.59 and 1,708.80

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Solution

The fourth proportional to 5,604.39, 8,406.59 and 1,708.80 is: 2,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.39 : 8,406.59 = 1,708.80 : x
  2. Step 2: Convert to fraction form
    5,604.39/8,406.59 = 1,708.80/x
  3. Step 3: Cross multiply
    5,604.39x = 8,406.59 × 1,708.80
  4. Step 4: Simplify right side
    5,604.39x = 14,365,140.92
  5. Step 5: Solve for x
    x = 14,365,140.92/5,604.39
  6. Step 6: Final answer
    x = 2,563.19

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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.