Home / 7,328.27-10,989.63-2,647.01

Finding the Fourth Proportional to 7,328.27, 10,989.63 and 2,647.01

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Solution

The fourth proportional to 7,328.27, 10,989.63 and 2,647.01 is: 3,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.27 : 10,989.63 = 2,647.01 : x
  2. Step 2: Convert to fraction form
    7,328.27/10,989.63 = 2,647.01/x
  3. Step 3: Cross multiply
    7,328.27x = 10,989.63 × 2,647.01
  4. Step 4: Simplify right side
    7,328.27x = 29,089,660.51
  5. Step 5: Solve for x
    x = 29,089,660.51/7,328.27
  6. Step 6: Final answer
    x = 3,969.51

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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.