Home / 4,684.65-7,028.16-1,397.76

Finding the Fourth Proportional to 4,684.65, 7,028.16 and 1,397.76

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Solution

The fourth proportional to 4,684.65, 7,028.16 and 1,397.76 is: 2,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.65 : 7,028.16 = 1,397.76 : x
  2. Step 2: Convert to fraction form
    4,684.65/7,028.16 = 1,397.76/x
  3. Step 3: Cross multiply
    4,684.65x = 7,028.16 × 1,397.76
  4. Step 4: Simplify right side
    4,684.65x = 9,823,680.92
  5. Step 5: Solve for x
    x = 9,823,680.92/4,684.65
  6. Step 6: Final answer
    x = 2,096.99

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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.