Home / 8,002.22-11,030.43-5,640.62

Finding the Fourth Proportional to 8,002.22, 11,030.43 and 5,640.62

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Solution

The fourth proportional to 8,002.22, 11,030.43 and 5,640.62 is: 7,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.22 : 11,030.43 = 5,640.62 : x
  2. Step 2: Convert to fraction form
    8,002.22/11,030.43 = 5,640.62/x
  3. Step 3: Cross multiply
    8,002.22x = 11,030.43 × 5,640.62
  4. Step 4: Simplify right side
    8,002.22x = 62,218,464.07
  5. Step 5: Solve for x
    x = 62,218,464.07/8,002.22
  6. Step 6: Final answer
    x = 7,775.15

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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.