Home / 5,120.60-7,673.69-4,075.96

Finding the Fourth Proportional to 5,120.60, 7,673.69 and 4,075.96

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Solution

The fourth proportional to 5,120.60, 7,673.69 and 4,075.96 is: 6,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.60 : 7,673.69 = 4,075.96 : x
  2. Step 2: Convert to fraction form
    5,120.60/7,673.69 = 4,075.96/x
  3. Step 3: Cross multiply
    5,120.60x = 7,673.69 × 4,075.96
  4. Step 4: Simplify right side
    5,120.60x = 31,277,594.74
  5. Step 5: Solve for x
    x = 31,277,594.74/5,120.60
  6. Step 6: Final answer
    x = 6,108.19

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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.