Home / 4,881.16-6,735.23-2,891.39

Finding the Fourth Proportional to 4,881.16, 6,735.23 and 2,891.39

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Solution

The fourth proportional to 4,881.16, 6,735.23 and 2,891.39 is: 3,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.16 : 6,735.23 = 2,891.39 : x
  2. Step 2: Convert to fraction form
    4,881.16/6,735.23 = 2,891.39/x
  3. Step 3: Cross multiply
    4,881.16x = 6,735.23 × 2,891.39
  4. Step 4: Simplify right side
    4,881.16x = 19,474,176.67
  5. Step 5: Solve for x
    x = 19,474,176.67/4,881.16
  6. Step 6: Final answer
    x = 3,989.67

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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.