Home / 7,805.42-10,771.76-4,448.74

Finding the Fourth Proportional to 7,805.42, 10,771.76 and 4,448.74

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Solution

The fourth proportional to 7,805.42, 10,771.76 and 4,448.74 is: 6,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.42 : 10,771.76 = 4,448.74 : x
  2. Step 2: Convert to fraction form
    7,805.42/10,771.76 = 4,448.74/x
  3. Step 3: Cross multiply
    7,805.42x = 10,771.76 × 4,448.74
  4. Step 4: Simplify right side
    7,805.42x = 47,920,759.58
  5. Step 5: Solve for x
    x = 47,920,759.58/7,805.42
  6. Step 6: Final answer
    x = 6,139.42

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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.