Home / 8,828.88-12,183.36-5,290.32

Finding the Fourth Proportional to 8,828.88, 12,183.36 and 5,290.32

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Solution

The fourth proportional to 8,828.88, 12,183.36 and 5,290.32 is: 7,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.88 : 12,183.36 = 5,290.32 : x
  2. Step 2: Convert to fraction form
    8,828.88/12,183.36 = 5,290.32/x
  3. Step 3: Cross multiply
    8,828.88x = 12,183.36 × 5,290.32
  4. Step 4: Simplify right side
    8,828.88x = 64,453,873.08
  5. Step 5: Solve for x
    x = 64,453,873.08/8,828.88
  6. Step 6: Final answer
    x = 7,300.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.