Home / 4,117.56-6,165.37-2,139.67

Finding the Fourth Proportional to 4,117.56, 6,165.37 and 2,139.67

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Solution

The fourth proportional to 4,117.56, 6,165.37 and 2,139.67 is: 3,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.56 : 6,165.37 = 2,139.67 : x
  2. Step 2: Convert to fraction form
    4,117.56/6,165.37 = 2,139.67/x
  3. Step 3: Cross multiply
    4,117.56x = 6,165.37 × 2,139.67
  4. Step 4: Simplify right side
    4,117.56x = 13,191,857.23
  5. Step 5: Solve for x
    x = 13,191,857.23/4,117.56
  6. Step 6: Final answer
    x = 3,203.80

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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.