Home / 8,558.84-12,839.33-2,937.60

Finding the Fourth Proportional to 8,558.84, 12,839.33 and 2,937.60

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Solution

The fourth proportional to 8,558.84, 12,839.33 and 2,937.60 is: 4,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.84 : 12,839.33 = 2,937.60 : x
  2. Step 2: Convert to fraction form
    8,558.84/12,839.33 = 2,937.60/x
  3. Step 3: Cross multiply
    8,558.84x = 12,839.33 × 2,937.60
  4. Step 4: Simplify right side
    8,558.84x = 37,716,823.15
  5. Step 5: Solve for x
    x = 37,716,823.15/8,558.84
  6. Step 6: Final answer
    x = 4,406.77

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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.