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Finding the Fourth Proportional to 8,602.44, 12,903.66 and 2,759.51

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Solution

The fourth proportional to 8,602.44, 12,903.66 and 2,759.51 is: 4,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.44 : 12,903.66 = 2,759.51 : x
  2. Step 2: Convert to fraction form
    8,602.44/12,903.66 = 2,759.51/x
  3. Step 3: Cross multiply
    8,602.44x = 12,903.66 × 2,759.51
  4. Step 4: Simplify right side
    8,602.44x = 35,607,714.29
  5. Step 5: Solve for x
    x = 35,607,714.29/8,602.44
  6. Step 6: Final answer
    x = 4,139.26

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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.