Home / 5,081.67-7,623.63-1,618.92

Finding the Fourth Proportional to 5,081.67, 7,623.63 and 1,618.92

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Solution

The fourth proportional to 5,081.67, 7,623.63 and 1,618.92 is: 2,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.67 : 7,623.63 = 1,618.92 : x
  2. Step 2: Convert to fraction form
    5,081.67/7,623.63 = 1,618.92/x
  3. Step 3: Cross multiply
    5,081.67x = 7,623.63 × 1,618.92
  4. Step 4: Simplify right side
    5,081.67x = 12,342,047.08
  5. Step 5: Solve for x
    x = 12,342,047.08/5,081.67
  6. Step 6: Final answer
    x = 2,428.74

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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.