Home / 5,680.73-8,521.43-1,785.14

Finding the Fourth Proportional to 5,680.73, 8,521.43 and 1,785.14

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Solution

The fourth proportional to 5,680.73, 8,521.43 and 1,785.14 is: 2,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.73 : 8,521.43 = 1,785.14 : x
  2. Step 2: Convert to fraction form
    5,680.73/8,521.43 = 1,785.14/x
  3. Step 3: Cross multiply
    5,680.73x = 8,521.43 × 1,785.14
  4. Step 4: Simplify right side
    5,680.73x = 15,211,894.02
  5. Step 5: Solve for x
    x = 15,211,894.02/5,680.73
  6. Step 6: Final answer
    x = 2,677.81

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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.