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Finding the Fourth Proportional to 4,557.66, 6,820.83 and 2,890.86

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Solution

The fourth proportional to 4,557.66, 6,820.83 and 2,890.86 is: 4,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.66 : 6,820.83 = 2,890.86 : x
  2. Step 2: Convert to fraction form
    4,557.66/6,820.83 = 2,890.86/x
  3. Step 3: Cross multiply
    4,557.66x = 6,820.83 × 2,890.86
  4. Step 4: Simplify right side
    4,557.66x = 19,718,064.61
  5. Step 5: Solve for x
    x = 19,718,064.61/4,557.66
  6. Step 6: Final answer
    x = 4,326.36

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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.