Home / 5,675.35-7,815.85-4,100.95

Finding the Fourth Proportional to 5,675.35, 7,815.85 and 4,100.95

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Solution

The fourth proportional to 5,675.35, 7,815.85 and 4,100.95 is: 5,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.35 : 7,815.85 = 4,100.95 : x
  2. Step 2: Convert to fraction form
    5,675.35/7,815.85 = 4,100.95/x
  3. Step 3: Cross multiply
    5,675.35x = 7,815.85 × 4,100.95
  4. Step 4: Simplify right side
    5,675.35x = 32,052,410.06
  5. Step 5: Solve for x
    x = 32,052,410.06/5,675.35
  6. Step 6: Final answer
    x = 5,647.65

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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.