Home / 7,411.36-11,115.12-2,216.32

Finding the Fourth Proportional to 7,411.36, 11,115.12 and 2,216.32

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Solution

The fourth proportional to 7,411.36, 11,115.12 and 2,216.32 is: 3,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.36 : 11,115.12 = 2,216.32 : x
  2. Step 2: Convert to fraction form
    7,411.36/11,115.12 = 2,216.32/x
  3. Step 3: Cross multiply
    7,411.36x = 11,115.12 × 2,216.32
  4. Step 4: Simplify right side
    7,411.36x = 24,634,662.76
  5. Step 5: Solve for x
    x = 24,634,662.76/7,411.36
  6. Step 6: Final answer
    x = 3,323.91

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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.