Home / 5,585.94-8,379.80-1,888.38

Finding the Fourth Proportional to 5,585.94, 8,379.80 and 1,888.38

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Solution

The fourth proportional to 5,585.94, 8,379.80 and 1,888.38 is: 2,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.94 : 8,379.80 = 1,888.38 : x
  2. Step 2: Convert to fraction form
    5,585.94/8,379.80 = 1,888.38/x
  3. Step 3: Cross multiply
    5,585.94x = 8,379.80 × 1,888.38
  4. Step 4: Simplify right side
    5,585.94x = 15,824,246.72
  5. Step 5: Solve for x
    x = 15,824,246.72/5,585.94
  6. Step 6: Final answer
    x = 2,832.87

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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.