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Finding the Fourth Proportional to 5,059.51, 7,588.89 and 1,939.80

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Solution

The fourth proportional to 5,059.51, 7,588.89 and 1,939.80 is: 2,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.51 : 7,588.89 = 1,939.80 : x
  2. Step 2: Convert to fraction form
    5,059.51/7,588.89 = 1,939.80/x
  3. Step 3: Cross multiply
    5,059.51x = 7,588.89 × 1,939.80
  4. Step 4: Simplify right side
    5,059.51x = 14,720,928.82
  5. Step 5: Solve for x
    x = 14,720,928.82/5,059.51
  6. Step 6: Final answer
    x = 2,909.56

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1.5x scale

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.