Home / 8,007.69-11,039.88-5,614.44

Finding the Fourth Proportional to 8,007.69, 11,039.88 and 5,614.44

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Solution

The fourth proportional to 8,007.69, 11,039.88 and 5,614.44 is: 7,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.69 : 11,039.88 = 5,614.44 : x
  2. Step 2: Convert to fraction form
    8,007.69/11,039.88 = 5,614.44/x
  3. Step 3: Cross multiply
    8,007.69x = 11,039.88 × 5,614.44
  4. Step 4: Simplify right side
    8,007.69x = 61,982,743.87
  5. Step 5: Solve for x
    x = 61,982,743.87/8,007.69
  6. Step 6: Final answer
    x = 7,740.40

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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.