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Finding the Fourth Proportional to 6,969.08, 10,447.81 and 6,359.74

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Solution

The fourth proportional to 6,969.08, 10,447.81 and 6,359.74 is: 9,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.08 : 10,447.81 = 6,359.74 : x
  2. Step 2: Convert to fraction form
    6,969.08/10,447.81 = 6,359.74/x
  3. Step 3: Cross multiply
    6,969.08x = 10,447.81 × 6,359.74
  4. Step 4: Simplify right side
    6,969.08x = 66,445,355.17
  5. Step 5: Solve for x
    x = 66,445,355.17/6,969.08
  6. Step 6: Final answer
    x = 9,534.31

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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.