Home / 6,081.81-9,123.65-1,921.04

Finding the Fourth Proportional to 6,081.81, 9,123.65 and 1,921.04

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Solution

The fourth proportional to 6,081.81, 9,123.65 and 1,921.04 is: 2,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.81 : 9,123.65 = 1,921.04 : x
  2. Step 2: Convert to fraction form
    6,081.81/9,123.65 = 1,921.04/x
  3. Step 3: Cross multiply
    6,081.81x = 9,123.65 × 1,921.04
  4. Step 4: Simplify right side
    6,081.81x = 17,526,896.60
  5. Step 5: Solve for x
    x = 17,526,896.60/6,081.81
  6. Step 6: Final answer
    x = 2,881.86

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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.