Home / 5,859.36-8,790.48-4,138.80

Finding the Fourth Proportional to 5,859.36, 8,790.48 and 4,138.80

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Solution

The fourth proportional to 5,859.36, 8,790.48 and 4,138.80 is: 6,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.36 : 8,790.48 = 4,138.80 : x
  2. Step 2: Convert to fraction form
    5,859.36/8,790.48 = 4,138.80/x
  3. Step 3: Cross multiply
    5,859.36x = 8,790.48 × 4,138.80
  4. Step 4: Simplify right side
    5,859.36x = 36,382,038.62
  5. Step 5: Solve for x
    x = 36,382,038.62/5,859.36
  6. Step 6: Final answer
    x = 6,209.22

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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.