Home / 4,213.60-6,315.47-3,170.25

Finding the Fourth Proportional to 4,213.60, 6,315.47 and 3,170.25

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Solution

The fourth proportional to 4,213.60, 6,315.47 and 3,170.25 is: 4,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.60 : 6,315.47 = 3,170.25 : x
  2. Step 2: Convert to fraction form
    4,213.60/6,315.47 = 3,170.25/x
  3. Step 3: Cross multiply
    4,213.60x = 6,315.47 × 3,170.25
  4. Step 4: Simplify right side
    4,213.60x = 20,021,595.12
  5. Step 5: Solve for x
    x = 20,021,595.12/4,213.60
  6. Step 6: Final answer
    x = 4,751.67

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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.