Home / 7,810.30-10,778.07-4,273.43

Finding the Fourth Proportional to 7,810.30, 10,778.07 and 4,273.43

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Solution

The fourth proportional to 7,810.30, 10,778.07 and 4,273.43 is: 5,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.30 : 10,778.07 = 4,273.43 : x
  2. Step 2: Convert to fraction form
    7,810.30/10,778.07 = 4,273.43/x
  3. Step 3: Cross multiply
    7,810.30x = 10,778.07 × 4,273.43
  4. Step 4: Simplify right side
    7,810.30x = 46,059,327.68
  5. Step 5: Solve for x
    x = 46,059,327.68/7,810.30
  6. Step 6: Final answer
    x = 5,897.25

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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.