Home / 6,875.46-10,311.89-1,945.06

Finding the Fourth Proportional to 6,875.46, 10,311.89 and 1,945.06

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Solution

The fourth proportional to 6,875.46, 10,311.89 and 1,945.06 is: 2,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.46 : 10,311.89 = 1,945.06 : x
  2. Step 2: Convert to fraction form
    6,875.46/10,311.89 = 1,945.06/x
  3. Step 3: Cross multiply
    6,875.46x = 10,311.89 × 1,945.06
  4. Step 4: Simplify right side
    6,875.46x = 20,057,244.76
  5. Step 5: Solve for x
    x = 20,057,244.76/6,875.46
  6. Step 6: Final answer
    x = 2,917.22

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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.