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Finding the Fourth Proportional to 6,953.88, 9,575.10 and 6,396.60

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Solution

The fourth proportional to 6,953.88, 9,575.10 and 6,396.60 is: 8,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.88 : 9,575.10 = 6,396.60 : x
  2. Step 2: Convert to fraction form
    6,953.88/9,575.10 = 6,396.60/x
  3. Step 3: Cross multiply
    6,953.88x = 9,575.10 × 6,396.60
  4. Step 4: Simplify right side
    6,953.88x = 61,248,084.66
  5. Step 5: Solve for x
    x = 61,248,084.66/6,953.88
  6. Step 6: Final answer
    x = 8,807.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.