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Finding the Fourth Proportional to 6,886.59, 10,330.82 and 2,505.30

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Solution

The fourth proportional to 6,886.59, 10,330.82 and 2,505.30 is: 3,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.59 : 10,330.82 = 2,505.30 : x
  2. Step 2: Convert to fraction form
    6,886.59/10,330.82 = 2,505.30/x
  3. Step 3: Cross multiply
    6,886.59x = 10,330.82 × 2,505.30
  4. Step 4: Simplify right side
    6,886.59x = 25,881,803.35
  5. Step 5: Solve for x
    x = 25,881,803.35/6,886.59
  6. Step 6: Final answer
    x = 3,758.29

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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.