Home / 5,588.80-8,382.93-2,078.80

Finding the Fourth Proportional to 5,588.80, 8,382.93 and 2,078.80

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Solution

The fourth proportional to 5,588.80, 8,382.93 and 2,078.80 is: 3,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.80 : 8,382.93 = 2,078.80 : x
  2. Step 2: Convert to fraction form
    5,588.80/8,382.93 = 2,078.80/x
  3. Step 3: Cross multiply
    5,588.80x = 8,382.93 × 2,078.80
  4. Step 4: Simplify right side
    5,588.80x = 17,426,434.88
  5. Step 5: Solve for x
    x = 17,426,434.88/5,588.80
  6. Step 6: Final answer
    x = 3,118.10

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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.