Home / 7,810.95-10,778.85-4,273.92

Finding the Fourth Proportional to 7,810.95, 10,778.85 and 4,273.92

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Solution

The fourth proportional to 7,810.95, 10,778.85 and 4,273.92 is: 5,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.95 : 10,778.85 = 4,273.92 : x
  2. Step 2: Convert to fraction form
    7,810.95/10,778.85 = 4,273.92/x
  3. Step 3: Cross multiply
    7,810.95x = 10,778.85 × 4,273.92
  4. Step 4: Simplify right side
    7,810.95x = 46,067,942.59
  5. Step 5: Solve for x
    x = 46,067,942.59/7,810.95
  6. Step 6: Final answer
    x = 5,897.87

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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.