Home / 9,216.36-13,790.52-5,521.20

Finding the Fourth Proportional to 9,216.36, 13,790.52 and 5,521.20

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Solution

The fourth proportional to 9,216.36, 13,790.52 and 5,521.20 is: 8,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.36 : 13,790.52 = 5,521.20 : x
  2. Step 2: Convert to fraction form
    9,216.36/13,790.52 = 5,521.20/x
  3. Step 3: Cross multiply
    9,216.36x = 13,790.52 × 5,521.20
  4. Step 4: Simplify right side
    9,216.36x = 76,140,219.02
  5. Step 5: Solve for x
    x = 76,140,219.02/9,216.36
  6. Step 6: Final answer
    x = 8,261.42

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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.