Home / 5,815.26-8,025.08-3,162.67

Finding the Fourth Proportional to 5,815.26, 8,025.08 and 3,162.67

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Solution

The fourth proportional to 5,815.26, 8,025.08 and 3,162.67 is: 4,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.26 : 8,025.08 = 3,162.67 : x
  2. Step 2: Convert to fraction form
    5,815.26/8,025.08 = 3,162.67/x
  3. Step 3: Cross multiply
    5,815.26x = 8,025.08 × 3,162.67
  4. Step 4: Simplify right side
    5,815.26x = 25,380,643.89
  5. Step 5: Solve for x
    x = 25,380,643.89/5,815.26
  6. Step 6: Final answer
    x = 4,364.49

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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.