Home / 6,729.93-9,288.12-4,077.33

Finding the Fourth Proportional to 6,729.93, 9,288.12 and 4,077.33

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Solution

The fourth proportional to 6,729.93, 9,288.12 and 4,077.33 is: 5,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.93 : 9,288.12 = 4,077.33 : x
  2. Step 2: Convert to fraction form
    6,729.93/9,288.12 = 4,077.33/x
  3. Step 3: Cross multiply
    6,729.93x = 9,288.12 × 4,077.33
  4. Step 4: Simplify right side
    6,729.93x = 37,870,730.32
  5. Step 5: Solve for x
    x = 37,870,730.32/6,729.93
  6. Step 6: Final answer
    x = 5,627.21

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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.