Home / 4,405.70-6,075.33-3,078.92

Finding the Fourth Proportional to 4,405.70, 6,075.33 and 3,078.92

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Solution

The fourth proportional to 4,405.70, 6,075.33 and 3,078.92 is: 4,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.70 : 6,075.33 = 3,078.92 : x
  2. Step 2: Convert to fraction form
    4,405.70/6,075.33 = 3,078.92/x
  3. Step 3: Cross multiply
    4,405.70x = 6,075.33 × 3,078.92
  4. Step 4: Simplify right side
    4,405.70x = 18,705,455.04
  5. Step 5: Solve for x
    x = 18,705,455.04/4,405.70
  6. Step 6: Final answer
    x = 4,245.74

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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.