Home / 4,709.80-7,062.40-1,936

Finding the Fourth Proportional to 4,709.80, 7,062.40 and 1,936

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Solution

The fourth proportional to 4,709.80, 7,062.40 and 1,936 is: 2,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.80 : 7,062.40 = 1,936 : x
  2. Step 2: Convert to fraction form
    4,709.80/7,062.40 = 1,936/x
  3. Step 3: Cross multiply
    4,709.80x = 7,062.40 × 1,936
  4. Step 4: Simplify right side
    4,709.80x = 13,672,806.40
  5. Step 5: Solve for x
    x = 13,672,806.40/4,709.80
  6. Step 6: Final answer
    x = 2,903.05

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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.