Home / 7,328.46-10,986.13-2,647.37

Finding the Fourth Proportional to 7,328.46, 10,986.13 and 2,647.37

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Solution

The fourth proportional to 7,328.46, 10,986.13 and 2,647.37 is: 3,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.46 : 10,986.13 = 2,647.37 : x
  2. Step 2: Convert to fraction form
    7,328.46/10,986.13 = 2,647.37/x
  3. Step 3: Cross multiply
    7,328.46x = 10,986.13 × 2,647.37
  4. Step 4: Simplify right side
    7,328.46x = 29,084,366.86
  5. Step 5: Solve for x
    x = 29,084,366.86/7,328.46
  6. Step 6: Final answer
    x = 3,968.69

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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.