Home / 4,812.14-7,215.35-2,312.12

Finding the Fourth Proportional to 4,812.14, 7,215.35 and 2,312.12

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Solution

The fourth proportional to 4,812.14, 7,215.35 and 2,312.12 is: 3,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.14 : 7,215.35 = 2,312.12 : x
  2. Step 2: Convert to fraction form
    4,812.14/7,215.35 = 2,312.12/x
  3. Step 3: Cross multiply
    4,812.14x = 7,215.35 × 2,312.12
  4. Step 4: Simplify right side
    4,812.14x = 16,682,707.40
  5. Step 5: Solve for x
    x = 16,682,707.40/4,812.14
  6. Step 6: Final answer
    x = 3,466.80

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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.