Home / 7,984.94-11,020.52-4,449.29

Finding the Fourth Proportional to 7,984.94, 11,020.52 and 4,449.29

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Solution

The fourth proportional to 7,984.94, 11,020.52 and 4,449.29 is: 6,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.94 : 11,020.52 = 4,449.29 : x
  2. Step 2: Convert to fraction form
    7,984.94/11,020.52 = 4,449.29/x
  3. Step 3: Cross multiply
    7,984.94x = 11,020.52 × 4,449.29
  4. Step 4: Simplify right side
    7,984.94x = 49,033,445.45
  5. Step 5: Solve for x
    x = 49,033,445.45/7,984.94
  6. Step 6: Final answer
    x = 6,140.74

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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.