Home / 8,940.12-12,338.85-4,962.53

Finding the Fourth Proportional to 8,940.12, 12,338.85 and 4,962.53

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Solution

The fourth proportional to 8,940.12, 12,338.85 and 4,962.53 is: 6,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.12 : 12,338.85 = 4,962.53 : x
  2. Step 2: Convert to fraction form
    8,940.12/12,338.85 = 4,962.53/x
  3. Step 3: Cross multiply
    8,940.12x = 12,338.85 × 4,962.53
  4. Step 4: Simplify right side
    8,940.12x = 61,231,851.60
  5. Step 5: Solve for x
    x = 61,231,851.60/8,940.12
  6. Step 6: Final answer
    x = 6,849.11

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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.