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Finding the Fourth Proportional to 7,506.28, 11,259.90 and 2,889.28

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Solution

The fourth proportional to 7,506.28, 11,259.90 and 2,889.28 is: 4,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.28 : 11,259.90 = 2,889.28 : x
  2. Step 2: Convert to fraction form
    7,506.28/11,259.90 = 2,889.28/x
  3. Step 3: Cross multiply
    7,506.28x = 11,259.90 × 2,889.28
  4. Step 4: Simplify right side
    7,506.28x = 32,533,003.87
  5. Step 5: Solve for x
    x = 32,533,003.87/7,506.28
  6. Step 6: Final answer
    x = 4,334.10

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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.