Home / 6,783.72-10,136.36-5,382.45

Finding the Fourth Proportional to 6,783.72, 10,136.36 and 5,382.45

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Solution

The fourth proportional to 6,783.72, 10,136.36 and 5,382.45 is: 8,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.72 : 10,136.36 = 5,382.45 : x
  2. Step 2: Convert to fraction form
    6,783.72/10,136.36 = 5,382.45/x
  3. Step 3: Cross multiply
    6,783.72x = 10,136.36 × 5,382.45
  4. Step 4: Simplify right side
    6,783.72x = 54,558,502.04
  5. Step 5: Solve for x
    x = 54,558,502.04/6,783.72
  6. Step 6: Final answer
    x = 8,042.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.