Home / 7,809.81-10,777.55-4,273.05

Finding the Fourth Proportional to 7,809.81, 10,777.55 and 4,273.05

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Solution

The fourth proportional to 7,809.81, 10,777.55 and 4,273.05 is: 5,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.81 : 10,777.55 = 4,273.05 : x
  2. Step 2: Convert to fraction form
    7,809.81/10,777.55 = 4,273.05/x
  3. Step 3: Cross multiply
    7,809.81x = 10,777.55 × 4,273.05
  4. Step 4: Simplify right side
    7,809.81x = 46,053,010.03
  5. Step 5: Solve for x
    x = 46,053,010.03/7,809.81
  6. Step 6: Final answer
    x = 5,896.82

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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.