Home / 4,328.15-6,487.58-3,091.80

Finding the Fourth Proportional to 4,328.15, 6,487.58 and 3,091.80

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Solution

The fourth proportional to 4,328.15, 6,487.58 and 3,091.80 is: 4,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.15 : 6,487.58 = 3,091.80 : x
  2. Step 2: Convert to fraction form
    4,328.15/6,487.58 = 3,091.80/x
  3. Step 3: Cross multiply
    4,328.15x = 6,487.58 × 3,091.80
  4. Step 4: Simplify right side
    4,328.15x = 20,058,284.39
  5. Step 5: Solve for x
    x = 20,058,284.39/4,328.15
  6. Step 6: Final answer
    x = 4,634.38

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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.