Home / 4,320.50-6,485.79-2,012.18

Finding the Fourth Proportional to 4,320.50, 6,485.79 and 2,012.18

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Solution

The fourth proportional to 4,320.50, 6,485.79 and 2,012.18 is: 3,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.50 : 6,485.79 = 2,012.18 : x
  2. Step 2: Convert to fraction form
    4,320.50/6,485.79 = 2,012.18/x
  3. Step 3: Cross multiply
    4,320.50x = 6,485.79 × 2,012.18
  4. Step 4: Simplify right side
    4,320.50x = 13,050,576.92
  5. Step 5: Solve for x
    x = 13,050,576.92/4,320.50
  6. Step 6: Final answer
    x = 3,020.62

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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.