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Finding the Fourth Proportional to 8,509.02, 12,765.95 and 3,576.12

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Solution

The fourth proportional to 8,509.02, 12,765.95 and 3,576.12 is: 5,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.02 : 12,765.95 = 3,576.12 : x
  2. Step 2: Convert to fraction form
    8,509.02/12,765.95 = 3,576.12/x
  3. Step 3: Cross multiply
    8,509.02x = 12,765.95 × 3,576.12
  4. Step 4: Simplify right side
    8,509.02x = 45,652,569.11
  5. Step 5: Solve for x
    x = 45,652,569.11/8,509.02
  6. Step 6: Final answer
    x = 5,365.20

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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.