Home / 6,478.16-9,718.44-2,095.52

Finding the Fourth Proportional to 6,478.16, 9,718.44 and 2,095.52

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Solution

The fourth proportional to 6,478.16, 9,718.44 and 2,095.52 is: 3,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.16 : 9,718.44 = 2,095.52 : x
  2. Step 2: Convert to fraction form
    6,478.16/9,718.44 = 2,095.52/x
  3. Step 3: Cross multiply
    6,478.16x = 9,718.44 × 2,095.52
  4. Step 4: Simplify right side
    6,478.16x = 20,365,185.39
  5. Step 5: Solve for x
    x = 20,365,185.39/6,478.16
  6. Step 6: Final answer
    x = 3,143.67

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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.