Home / 5,300.79-7,936.07-4,206.75

Finding the Fourth Proportional to 5,300.79, 7,936.07 and 4,206.75

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Solution

The fourth proportional to 5,300.79, 7,936.07 and 4,206.75 is: 6,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.79 : 7,936.07 = 4,206.75 : x
  2. Step 2: Convert to fraction form
    5,300.79/7,936.07 = 4,206.75/x
  3. Step 3: Cross multiply
    5,300.79x = 7,936.07 × 4,206.75
  4. Step 4: Simplify right side
    5,300.79x = 33,385,041.44
  5. Step 5: Solve for x
    x = 33,385,041.44/5,300.79
  6. Step 6: Final answer
    x = 6,298.13

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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.