Home / 7,830.23-10,805.66-4,293.44

Finding the Fourth Proportional to 7,830.23, 10,805.66 and 4,293.44

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Solution

The fourth proportional to 7,830.23, 10,805.66 and 4,293.44 is: 5,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.23 : 10,805.66 = 4,293.44 : x
  2. Step 2: Convert to fraction form
    7,830.23/10,805.66 = 4,293.44/x
  3. Step 3: Cross multiply
    7,830.23x = 10,805.66 × 4,293.44
  4. Step 4: Simplify right side
    7,830.23x = 46,393,431.40
  5. Step 5: Solve for x
    x = 46,393,431.40/7,830.23
  6. Step 6: Final answer
    x = 5,924.91

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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.