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Finding the Fourth Proportional to 8,602.46, 11,860.26 and 5,572.20

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Solution

The fourth proportional to 8,602.46, 11,860.26 and 5,572.20 is: 7,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.46 : 11,860.26 = 5,572.20 : x
  2. Step 2: Convert to fraction form
    8,602.46/11,860.26 = 5,572.20/x
  3. Step 3: Cross multiply
    8,602.46x = 11,860.26 × 5,572.20
  4. Step 4: Simplify right side
    8,602.46x = 66,087,740.77
  5. Step 5: Solve for x
    x = 66,087,740.77/8,602.46
  6. Step 6: Final answer
    x = 7,682.42

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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.