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Finding the Fourth Proportional to 9,264.76, 12,796.59 and 6,742.87

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Solution

The fourth proportional to 9,264.76, 12,796.59 and 6,742.87 is: 9,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.76 : 12,796.59 = 6,742.87 : x
  2. Step 2: Convert to fraction form
    9,264.76/12,796.59 = 6,742.87/x
  3. Step 3: Cross multiply
    9,264.76x = 12,796.59 × 6,742.87
  4. Step 4: Simplify right side
    9,264.76x = 86,285,742.81
  5. Step 5: Solve for x
    x = 86,285,742.81/9,264.76
  6. Step 6: Final answer
    x = 9,313.33

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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.