Home / 5,133.16-7,083.75-2,775.29

Finding the Fourth Proportional to 5,133.16, 7,083.75 and 2,775.29

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Solution

The fourth proportional to 5,133.16, 7,083.75 and 2,775.29 is: 3,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.16 : 7,083.75 = 2,775.29 : x
  2. Step 2: Convert to fraction form
    5,133.16/7,083.75 = 2,775.29/x
  3. Step 3: Cross multiply
    5,133.16x = 7,083.75 × 2,775.29
  4. Step 4: Simplify right side
    5,133.16x = 19,659,478.25
  5. Step 5: Solve for x
    x = 19,659,478.25/5,133.16
  6. Step 6: Final answer
    x = 3,829.90

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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.