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Finding the Fourth Proportional to 6,335.70, 8,891.85 and 6,335.70

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Solution

The fourth proportional to 6,335.70, 8,891.85 and 6,335.70 is: 8,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335.70 : 8,891.85 = 6,335.70 : x
  2. Step 2: Convert to fraction form
    6,335.70/8,891.85 = 6,335.70/x
  3. Step 3: Cross multiply
    6,335.70x = 8,891.85 × 6,335.70
  4. Step 4: Simplify right side
    6,335.70x = 56,336,094.05
  5. Step 5: Solve for x
    x = 56,336,094.05/6,335.70
  6. Step 6: Final answer
    x = 8,891.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.