Home / 6,189.85-8,540.50-3,501.12

Finding the Fourth Proportional to 6,189.85, 8,540.50 and 3,501.12

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Solution

The fourth proportional to 6,189.85, 8,540.50 and 3,501.12 is: 4,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.85 : 8,540.50 = 3,501.12 : x
  2. Step 2: Convert to fraction form
    6,189.85/8,540.50 = 3,501.12/x
  3. Step 3: Cross multiply
    6,189.85x = 8,540.50 × 3,501.12
  4. Step 4: Simplify right side
    6,189.85x = 29,901,315.36
  5. Step 5: Solve for x
    x = 29,901,315.36/6,189.85
  6. Step 6: Final answer
    x = 4,830.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.