Home / 7,359.54-11,039.34-1,812.84

Finding the Fourth Proportional to 7,359.54, 11,039.34 and 1,812.84

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Solution

The fourth proportional to 7,359.54, 11,039.34 and 1,812.84 is: 2,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.54 : 11,039.34 = 1,812.84 : x
  2. Step 2: Convert to fraction form
    7,359.54/11,039.34 = 1,812.84/x
  3. Step 3: Cross multiply
    7,359.54x = 11,039.34 × 1,812.84
  4. Step 4: Simplify right side
    7,359.54x = 20,012,557.13
  5. Step 5: Solve for x
    x = 20,012,557.13/7,359.54
  6. Step 6: Final answer
    x = 2,719.27

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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.