Home / 7,810.44-10,778.16-4,273.42

Finding the Fourth Proportional to 7,810.44, 10,778.16 and 4,273.42

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Solution

The fourth proportional to 7,810.44, 10,778.16 and 4,273.42 is: 5,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.44 : 10,778.16 = 4,273.42 : x
  2. Step 2: Convert to fraction form
    7,810.44/10,778.16 = 4,273.42/x
  3. Step 3: Cross multiply
    7,810.44x = 10,778.16 × 4,273.42
  4. Step 4: Simplify right side
    7,810.44x = 46,059,604.51
  5. Step 5: Solve for x
    x = 46,059,604.51/7,810.44
  6. Step 6: Final answer
    x = 5,897.18

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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.