Home / 7,805.23-10,771.95-4,268.95

Finding the Fourth Proportional to 7,805.23, 10,771.95 and 4,268.95

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Solution

The fourth proportional to 7,805.23, 10,771.95 and 4,268.95 is: 5,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.23 : 10,771.95 = 4,268.95 : x
  2. Step 2: Convert to fraction form
    7,805.23/10,771.95 = 4,268.95/x
  3. Step 3: Cross multiply
    7,805.23x = 10,771.95 × 4,268.95
  4. Step 4: Simplify right side
    7,805.23x = 45,984,915.95
  5. Step 5: Solve for x
    x = 45,984,915.95/7,805.23
  6. Step 6: Final answer
    x = 5,891.55

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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.