Home / 5,141.18-7,708.33-1,853.83

Finding the Fourth Proportional to 5,141.18, 7,708.33 and 1,853.83

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Solution

The fourth proportional to 5,141.18, 7,708.33 and 1,853.83 is: 2,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.18 : 7,708.33 = 1,853.83 : x
  2. Step 2: Convert to fraction form
    5,141.18/7,708.33 = 1,853.83/x
  3. Step 3: Cross multiply
    5,141.18x = 7,708.33 × 1,853.83
  4. Step 4: Simplify right side
    5,141.18x = 14,289,945.36
  5. Step 5: Solve for x
    x = 14,289,945.36/5,141.18
  6. Step 6: Final answer
    x = 2,779.51

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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.