Home / 5,113.96-7,057.33-2,875.82

Finding the Fourth Proportional to 5,113.96, 7,057.33 and 2,875.82

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Solution

The fourth proportional to 5,113.96, 7,057.33 and 2,875.82 is: 3,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.96 : 7,057.33 = 2,875.82 : x
  2. Step 2: Convert to fraction form
    5,113.96/7,057.33 = 2,875.82/x
  3. Step 3: Cross multiply
    5,113.96x = 7,057.33 × 2,875.82
  4. Step 4: Simplify right side
    5,113.96x = 20,295,568.28
  5. Step 5: Solve for x
    x = 20,295,568.28/5,113.96
  6. Step 6: Final answer
    x = 3,968.66

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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.