Home / 7,766.13-11,647.24-2,219.50

Finding the Fourth Proportional to 7,766.13, 11,647.24 and 2,219.50

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Solution

The fourth proportional to 7,766.13, 11,647.24 and 2,219.50 is: 3,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.13 : 11,647.24 = 2,219.50 : x
  2. Step 2: Convert to fraction form
    7,766.13/11,647.24 = 2,219.50/x
  3. Step 3: Cross multiply
    7,766.13x = 11,647.24 × 2,219.50
  4. Step 4: Simplify right side
    7,766.13x = 25,851,058.19
  5. Step 5: Solve for x
    x = 25,851,058.19/7,766.13
  6. Step 6: Final answer
    x = 3,328.69

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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.