Home / 5,133.06-7,083.56-2,775.18

Finding the Fourth Proportional to 5,133.06, 7,083.56 and 2,775.18

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Solution

The fourth proportional to 5,133.06, 7,083.56 and 2,775.18 is: 3,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.06 : 7,083.56 = 2,775.18 : x
  2. Step 2: Convert to fraction form
    5,133.06/7,083.56 = 2,775.18/x
  3. Step 3: Cross multiply
    5,133.06x = 7,083.56 × 2,775.18
  4. Step 4: Simplify right side
    5,133.06x = 19,658,154.04
  5. Step 5: Solve for x
    x = 19,658,154.04/5,133.06
  6. Step 6: Final answer
    x = 3,829.71

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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.