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Finding the Fourth Proportional to 8,602.36, 12,907.46 and 5,099.28

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Solution

The fourth proportional to 8,602.36, 12,907.46 and 5,099.28 is: 7,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.36 : 12,907.46 = 5,099.28 : x
  2. Step 2: Convert to fraction form
    8,602.36/12,907.46 = 5,099.28/x
  3. Step 3: Cross multiply
    8,602.36x = 12,907.46 × 5,099.28
  4. Step 4: Simplify right side
    8,602.36x = 65,818,752.63
  5. Step 5: Solve for x
    x = 65,818,752.63/8,602.36
  6. Step 6: Final answer
    x = 7,651.24

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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.