Home / 8,885.78-13,316.36-3,333.53

Finding the Fourth Proportional to 8,885.78, 13,316.36 and 3,333.53

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Solution

The fourth proportional to 8,885.78, 13,316.36 and 3,333.53 is: 4,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.78 : 13,316.36 = 3,333.53 : x
  2. Step 2: Convert to fraction form
    8,885.78/13,316.36 = 3,333.53/x
  3. Step 3: Cross multiply
    8,885.78x = 13,316.36 × 3,333.53
  4. Step 4: Simplify right side
    8,885.78x = 44,390,485.55
  5. Step 5: Solve for x
    x = 44,390,485.55/8,885.78
  6. Step 6: Final answer
    x = 4,995.68

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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.