Home / 4,812.39-7,219.34-2,039.07

Finding the Fourth Proportional to 4,812.39, 7,219.34 and 2,039.07

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Solution

The fourth proportional to 4,812.39, 7,219.34 and 2,039.07 is: 3,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.39 : 7,219.34 = 2,039.07 : x
  2. Step 2: Convert to fraction form
    4,812.39/7,219.34 = 2,039.07/x
  3. Step 3: Cross multiply
    4,812.39x = 7,219.34 × 2,039.07
  4. Step 4: Simplify right side
    4,812.39x = 14,720,739.61
  5. Step 5: Solve for x
    x = 14,720,739.61/4,812.39
  6. Step 6: Final answer
    x = 3,058.92

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1.5x scale

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.