Home / 5,059.60-6,977.70-3,171.39

Finding the Fourth Proportional to 5,059.60, 6,977.70 and 3,171.39

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Solution

The fourth proportional to 5,059.60, 6,977.70 and 3,171.39 is: 4,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.60 : 6,977.70 = 3,171.39 : x
  2. Step 2: Convert to fraction form
    5,059.60/6,977.70 = 3,171.39/x
  3. Step 3: Cross multiply
    5,059.60x = 6,977.70 × 3,171.39
  4. Step 4: Simplify right side
    5,059.60x = 22,129,008.00
  5. Step 5: Solve for x
    x = 22,129,008.00/5,059.60
  6. Step 6: Final answer
    x = 4,373.67

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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.