Home / 6,875.19-10,311.87-1,945.26

Finding the Fourth Proportional to 6,875.19, 10,311.87 and 1,945.26

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Solution

The fourth proportional to 6,875.19, 10,311.87 and 1,945.26 is: 2,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.19 : 10,311.87 = 1,945.26 : x
  2. Step 2: Convert to fraction form
    6,875.19/10,311.87 = 1,945.26/x
  3. Step 3: Cross multiply
    6,875.19x = 10,311.87 × 1,945.26
  4. Step 4: Simplify right side
    6,875.19x = 20,059,268.24
  5. Step 5: Solve for x
    x = 20,059,268.24/6,875.19
  6. Step 6: Final answer
    x = 2,917.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.