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Finding the Fourth Proportional to 5,603.71, 8,406.83 and 1,708.51

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Solution

The fourth proportional to 5,603.71, 8,406.83 and 1,708.51 is: 2,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.71 : 8,406.83 = 1,708.51 : x
  2. Step 2: Convert to fraction form
    5,603.71/8,406.83 = 1,708.51/x
  3. Step 3: Cross multiply
    5,603.71x = 8,406.83 × 1,708.51
  4. Step 4: Simplify right side
    5,603.71x = 14,363,144.58
  5. Step 5: Solve for x
    x = 14,363,144.58/5,603.71
  6. Step 6: Final answer
    x = 2,563.15

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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.