Home / 5,013.60-6,918.99-2,775.43

Finding the Fourth Proportional to 5,013.60, 6,918.99 and 2,775.43

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Solution

The fourth proportional to 5,013.60, 6,918.99 and 2,775.43 is: 3,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.60 : 6,918.99 = 2,775.43 : x
  2. Step 2: Convert to fraction form
    5,013.60/6,918.99 = 2,775.43/x
  3. Step 3: Cross multiply
    5,013.60x = 6,918.99 × 2,775.43
  4. Step 4: Simplify right side
    5,013.60x = 19,203,158.54
  5. Step 5: Solve for x
    x = 19,203,158.54/5,013.60
  6. Step 6: Final answer
    x = 3,830.22

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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.