Home / 5,535.69-8,302.12-1,639.19

Finding the Fourth Proportional to 5,535.69, 8,302.12 and 1,639.19

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Solution

The fourth proportional to 5,535.69, 8,302.12 and 1,639.19 is: 2,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.69 : 8,302.12 = 1,639.19 : x
  2. Step 2: Convert to fraction form
    5,535.69/8,302.12 = 1,639.19/x
  3. Step 3: Cross multiply
    5,535.69x = 8,302.12 × 1,639.19
  4. Step 4: Simplify right side
    5,535.69x = 13,608,726.65
  5. Step 5: Solve for x
    x = 13,608,726.65/5,535.69
  6. Step 6: Final answer
    x = 2,458.36

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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.