Home / 4,771.95-7,122.80-4,437.69

Finding the Fourth Proportional to 4,771.95, 7,122.80 and 4,437.69

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Solution

The fourth proportional to 4,771.95, 7,122.80 and 4,437.69 is: 6,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.95 : 7,122.80 = 4,437.69 : x
  2. Step 2: Convert to fraction form
    4,771.95/7,122.80 = 4,437.69/x
  3. Step 3: Cross multiply
    4,771.95x = 7,122.80 × 4,437.69
  4. Step 4: Simplify right side
    4,771.95x = 31,608,789.43
  5. Step 5: Solve for x
    x = 31,608,789.43/4,771.95
  6. Step 6: Final answer
    x = 6,623.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.