Home / 5,513.16-8,269.72-1,617.56

Finding the Fourth Proportional to 5,513.16, 8,269.72 and 1,617.56

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Solution

The fourth proportional to 5,513.16, 8,269.72 and 1,617.56 is: 2,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.16 : 8,269.72 = 1,617.56 : x
  2. Step 2: Convert to fraction form
    5,513.16/8,269.72 = 1,617.56/x
  3. Step 3: Cross multiply
    5,513.16x = 8,269.72 × 1,617.56
  4. Step 4: Simplify right side
    5,513.16x = 13,376,768.28
  5. Step 5: Solve for x
    x = 13,376,768.28/5,513.16
  6. Step 6: Final answer
    x = 2,426.33

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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.