Home / 5,081.68-7,617.66-1,616.68

Finding the Fourth Proportional to 5,081.68, 7,617.66 and 1,616.68

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Solution

The fourth proportional to 5,081.68, 7,617.66 and 1,616.68 is: 2,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.68 : 7,617.66 = 1,616.68 : x
  2. Step 2: Convert to fraction form
    5,081.68/7,617.66 = 1,616.68/x
  3. Step 3: Cross multiply
    5,081.68x = 7,617.66 × 1,616.68
  4. Step 4: Simplify right side
    5,081.68x = 12,315,318.57
  5. Step 5: Solve for x
    x = 12,315,318.57/5,081.68
  6. Step 6: Final answer
    x = 2,423.47

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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.