Home / 5,013.69-6,918.81-2,775.53

Finding the Fourth Proportional to 5,013.69, 6,918.81 and 2,775.53

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Solution

The fourth proportional to 5,013.69, 6,918.81 and 2,775.53 is: 3,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.69 : 6,918.81 = 2,775.53 : x
  2. Step 2: Convert to fraction form
    5,013.69/6,918.81 = 2,775.53/x
  3. Step 3: Cross multiply
    5,013.69x = 6,918.81 × 2,775.53
  4. Step 4: Simplify right side
    5,013.69x = 19,203,330.13
  5. Step 5: Solve for x
    x = 19,203,330.13/5,013.69
  6. Step 6: Final answer
    x = 3,830.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.