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Finding the Fourth Proportional to 4,575.78, 6,865.31 and 1,800.91

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Solution

The fourth proportional to 4,575.78, 6,865.31 and 1,800.91 is: 2,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.78 : 6,865.31 = 1,800.91 : x
  2. Step 2: Convert to fraction form
    4,575.78/6,865.31 = 1,800.91/x
  3. Step 3: Cross multiply
    4,575.78x = 6,865.31 × 1,800.91
  4. Step 4: Simplify right side
    4,575.78x = 12,363,805.43
  5. Step 5: Solve for x
    x = 12,363,805.43/4,575.78
  6. Step 6: Final answer
    x = 2,702.01

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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.