Home / 8,376.49-11,559.83-4,839.71

Finding the Fourth Proportional to 8,376.49, 11,559.83 and 4,839.71

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Solution

The fourth proportional to 8,376.49, 11,559.83 and 4,839.71 is: 6,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.49 : 11,559.83 = 4,839.71 : x
  2. Step 2: Convert to fraction form
    8,376.49/11,559.83 = 4,839.71/x
  3. Step 3: Cross multiply
    8,376.49x = 11,559.83 × 4,839.71
  4. Step 4: Simplify right side
    8,376.49x = 55,946,188.41
  5. Step 5: Solve for x
    x = 55,946,188.41/8,376.49
  6. Step 6: Final answer
    x = 6,678.95

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1.5x scale

Why These Related Problems?

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