Home / 4,213.47-6,315.29-3,170.12

Finding the Fourth Proportional to 4,213.47, 6,315.29 and 3,170.12

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Solution

The fourth proportional to 4,213.47, 6,315.29 and 3,170.12 is: 4,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.47 : 6,315.29 = 3,170.12 : x
  2. Step 2: Convert to fraction form
    4,213.47/6,315.29 = 3,170.12/x
  3. Step 3: Cross multiply
    4,213.47x = 6,315.29 × 3,170.12
  4. Step 4: Simplify right side
    4,213.47x = 20,020,211.28
  5. Step 5: Solve for x
    x = 20,020,211.28/4,213.47
  6. Step 6: Final answer
    x = 4,751.48

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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.