Home / 10,864.67-16,292.88-4,627.60

Finding the Fourth Proportional to 10,864.67, 16,292.88 and 4,627.60

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Solution

The fourth proportional to 10,864.67, 16,292.88 and 4,627.60 is: 6,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.67 : 16,292.88 = 4,627.60 : x
  2. Step 2: Convert to fraction form
    10,864.67/16,292.88 = 4,627.60/x
  3. Step 3: Cross multiply
    10,864.67x = 16,292.88 × 4,627.60
  4. Step 4: Simplify right side
    10,864.67x = 75,396,890.76
  5. Step 5: Solve for x
    x = 75,396,890.76/10,864.67
  6. Step 6: Final answer
    x = 6,939.64

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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.