Home / 5,045.69-7,568.45-2,270.40

Finding the Fourth Proportional to 5,045.69, 7,568.45 and 2,270.40

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Solution

The fourth proportional to 5,045.69, 7,568.45 and 2,270.40 is: 3,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.69 : 7,568.45 = 2,270.40 : x
  2. Step 2: Convert to fraction form
    5,045.69/7,568.45 = 2,270.40/x
  3. Step 3: Cross multiply
    5,045.69x = 7,568.45 × 2,270.40
  4. Step 4: Simplify right side
    5,045.69x = 17,183,377.66
  5. Step 5: Solve for x
    x = 17,183,377.66/5,045.69
  6. Step 6: Final answer
    x = 3,405.55

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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.