Home / 4,680.30-7,020.45-2,709.30

Finding the Fourth Proportional to 4,680.30, 7,020.45 and 2,709.30

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Solution

The fourth proportional to 4,680.30, 7,020.45 and 2,709.30 is: 4,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.30 : 7,020.45 = 2,709.30 : x
  2. Step 2: Convert to fraction form
    4,680.30/7,020.45 = 2,709.30/x
  3. Step 3: Cross multiply
    4,680.30x = 7,020.45 × 2,709.30
  4. Step 4: Simplify right side
    4,680.30x = 19,020,505.19
  5. Step 5: Solve for x
    x = 19,020,505.19/4,680.30
  6. Step 6: Final answer
    x = 4,063.95

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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.