Home / 4,989.48-6,881.34-2,998.63

Finding the Fourth Proportional to 4,989.48, 6,881.34 and 2,998.63

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Solution

The fourth proportional to 4,989.48, 6,881.34 and 2,998.63 is: 4,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.48 : 6,881.34 = 2,998.63 : x
  2. Step 2: Convert to fraction form
    4,989.48/6,881.34 = 2,998.63/x
  3. Step 3: Cross multiply
    4,989.48x = 6,881.34 × 2,998.63
  4. Step 4: Simplify right side
    4,989.48x = 20,634,592.56
  5. Step 5: Solve for x
    x = 20,634,592.56/4,989.48
  6. Step 6: Final answer
    x = 4,135.62

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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.