Home / 4,890.47-6,741.38-2,998.55

Finding the Fourth Proportional to 4,890.47, 6,741.38 and 2,998.55

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Solution

The fourth proportional to 4,890.47, 6,741.38 and 2,998.55 is: 4,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.47 : 6,741.38 = 2,998.55 : x
  2. Step 2: Convert to fraction form
    4,890.47/6,741.38 = 2,998.55/x
  3. Step 3: Cross multiply
    4,890.47x = 6,741.38 × 2,998.55
  4. Step 4: Simplify right side
    4,890.47x = 20,214,338.79
  5. Step 5: Solve for x
    x = 20,214,338.79/4,890.47
  6. Step 6: Final answer
    x = 4,133.42

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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.