Home / 5,117.07-7,673.49-1,605.90

Finding the Fourth Proportional to 5,117.07, 7,673.49 and 1,605.90

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Solution

The fourth proportional to 5,117.07, 7,673.49 and 1,605.90 is: 2,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.07 : 7,673.49 = 1,605.90 : x
  2. Step 2: Convert to fraction form
    5,117.07/7,673.49 = 1,605.90/x
  3. Step 3: Cross multiply
    5,117.07x = 7,673.49 × 1,605.90
  4. Step 4: Simplify right side
    5,117.07x = 12,322,857.59
  5. Step 5: Solve for x
    x = 12,322,857.59/5,117.07
  6. Step 6: Final answer
    x = 2,408.19

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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.