Home / 7,813.80-10,783.26-4,277.34

Finding the Fourth Proportional to 7,813.80, 10,783.26 and 4,277.34

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Solution

The fourth proportional to 7,813.80, 10,783.26 and 4,277.34 is: 5,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.80 : 10,783.26 = 4,277.34 : x
  2. Step 2: Convert to fraction form
    7,813.80/10,783.26 = 4,277.34/x
  3. Step 3: Cross multiply
    7,813.80x = 10,783.26 × 4,277.34
  4. Step 4: Simplify right side
    7,813.80x = 46,123,669.33
  5. Step 5: Solve for x
    x = 46,123,669.33/7,813.80
  6. Step 6: Final answer
    x = 5,902.85

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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.