Home / 5,013.49-6,918.39-2,775.20

Finding the Fourth Proportional to 5,013.49, 6,918.39 and 2,775.20

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Solution

The fourth proportional to 5,013.49, 6,918.39 and 2,775.20 is: 3,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.49 : 6,918.39 = 2,775.20 : x
  2. Step 2: Convert to fraction form
    5,013.49/6,918.39 = 2,775.20/x
  3. Step 3: Cross multiply
    5,013.49x = 6,918.39 × 2,775.20
  4. Step 4: Simplify right side
    5,013.49x = 19,199,919.35
  5. Step 5: Solve for x
    x = 19,199,919.35/5,013.49
  6. Step 6: Final answer
    x = 3,829.66

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1.5x scale

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.