Home / 5,574.40-8,380.77-4,486.39

Finding the Fourth Proportional to 5,574.40, 8,380.77 and 4,486.39

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Solution

The fourth proportional to 5,574.40, 8,380.77 and 4,486.39 is: 6,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.40 : 8,380.77 = 4,486.39 : x
  2. Step 2: Convert to fraction form
    5,574.40/8,380.77 = 4,486.39/x
  3. Step 3: Cross multiply
    5,574.40x = 8,380.77 × 4,486.39
  4. Step 4: Simplify right side
    5,574.40x = 37,599,402.72
  5. Step 5: Solve for x
    x = 37,599,402.72/5,574.40
  6. Step 6: Final answer
    x = 6,745.01

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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.