Home / 6,925.85-10,390.55-1,995.87

Finding the Fourth Proportional to 6,925.85, 10,390.55 and 1,995.87

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Solution

The fourth proportional to 6,925.85, 10,390.55 and 1,995.87 is: 2,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.85 : 10,390.55 = 1,995.87 : x
  2. Step 2: Convert to fraction form
    6,925.85/10,390.55 = 1,995.87/x
  3. Step 3: Cross multiply
    6,925.85x = 10,390.55 × 1,995.87
  4. Step 4: Simplify right side
    6,925.85x = 20,738,187.03
  5. Step 5: Solve for x
    x = 20,738,187.03/6,925.85
  6. Step 6: Final answer
    x = 2,994.32

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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.