Home / 8,021.16-11,069.18-4,387.21

Finding the Fourth Proportional to 8,021.16, 11,069.18 and 4,387.21

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Solution

The fourth proportional to 8,021.16, 11,069.18 and 4,387.21 is: 6,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.16 : 11,069.18 = 4,387.21 : x
  2. Step 2: Convert to fraction form
    8,021.16/11,069.18 = 4,387.21/x
  3. Step 3: Cross multiply
    8,021.16x = 11,069.18 × 4,387.21
  4. Step 4: Simplify right side
    8,021.16x = 48,562,817.19
  5. Step 5: Solve for x
    x = 48,562,817.19/8,021.16
  6. Step 6: Final answer
    x = 6,054.34

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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.