Home / 8,432.12-11,636.33-4,655.36

Finding the Fourth Proportional to 8,432.12, 11,636.33 and 4,655.36

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Solution

The fourth proportional to 8,432.12, 11,636.33 and 4,655.36 is: 6,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.12 : 11,636.33 = 4,655.36 : x
  2. Step 2: Convert to fraction form
    8,432.12/11,636.33 = 4,655.36/x
  3. Step 3: Cross multiply
    8,432.12x = 11,636.33 × 4,655.36
  4. Step 4: Simplify right side
    8,432.12x = 54,171,311.04
  5. Step 5: Solve for x
    x = 54,171,311.04/8,432.12
  6. Step 6: Final answer
    x = 6,424.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.