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Finding the Fourth Proportional to 6,656.73, 9,969.53 and 5,260.70

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Solution

The fourth proportional to 6,656.73, 9,969.53 and 5,260.70 is: 7,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.73 : 9,969.53 = 5,260.70 : x
  2. Step 2: Convert to fraction form
    6,656.73/9,969.53 = 5,260.70/x
  3. Step 3: Cross multiply
    6,656.73x = 9,969.53 × 5,260.70
  4. Step 4: Simplify right side
    6,656.73x = 52,446,678.60
  5. Step 5: Solve for x
    x = 52,446,678.60/6,656.73
  6. Step 6: Final answer
    x = 7,878.74

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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.