Home / 5,790.48-7,990.92-3,137.94

Finding the Fourth Proportional to 5,790.48, 7,990.92 and 3,137.94

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Solution

The fourth proportional to 5,790.48, 7,990.92 and 3,137.94 is: 4,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.48 : 7,990.92 = 3,137.94 : x
  2. Step 2: Convert to fraction form
    5,790.48/7,990.92 = 3,137.94/x
  3. Step 3: Cross multiply
    5,790.48x = 7,990.92 × 3,137.94
  4. Step 4: Simplify right side
    5,790.48x = 25,075,027.50
  5. Step 5: Solve for x
    x = 25,075,027.50/5,790.48
  6. Step 6: Final answer
    x = 4,330.39

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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.