Home / 7,810.07-10,777.73-4,273.20

Finding the Fourth Proportional to 7,810.07, 10,777.73 and 4,273.20

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Solution

The fourth proportional to 7,810.07, 10,777.73 and 4,273.20 is: 5,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.07 : 10,777.73 = 4,273.20 : x
  2. Step 2: Convert to fraction form
    7,810.07/10,777.73 = 4,273.20/x
  3. Step 3: Cross multiply
    7,810.07x = 10,777.73 × 4,273.20
  4. Step 4: Simplify right side
    7,810.07x = 46,055,374.47
  5. Step 5: Solve for x
    x = 46,055,374.47/7,810.07
  6. Step 6: Final answer
    x = 5,896.93

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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.