Home / 5,780.07-8,671.85-2,446.61

Finding the Fourth Proportional to 5,780.07, 8,671.85 and 2,446.61

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Solution

The fourth proportional to 5,780.07, 8,671.85 and 2,446.61 is: 3,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.07 : 8,671.85 = 2,446.61 : x
  2. Step 2: Convert to fraction form
    5,780.07/8,671.85 = 2,446.61/x
  3. Step 3: Cross multiply
    5,780.07x = 8,671.85 × 2,446.61
  4. Step 4: Simplify right side
    5,780.07x = 21,216,634.93
  5. Step 5: Solve for x
    x = 21,216,634.93/5,780.07
  6. Step 6: Final answer
    x = 3,670.65

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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.