Home / 8,376.81-11,559.17-4,839.94

Finding the Fourth Proportional to 8,376.81, 11,559.17 and 4,839.94

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Solution

The fourth proportional to 8,376.81, 11,559.17 and 4,839.94 is: 6,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.81 : 11,559.17 = 4,839.94 : x
  2. Step 2: Convert to fraction form
    8,376.81/11,559.17 = 4,839.94/x
  3. Step 3: Cross multiply
    8,376.81x = 11,559.17 × 4,839.94
  4. Step 4: Simplify right side
    8,376.81x = 55,945,689.25
  5. Step 5: Solve for x
    x = 55,945,689.25/8,376.81
  6. Step 6: Final answer
    x = 6,678.64

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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.