Home / 5,154.03-7,111.80-3,057.75

Finding the Fourth Proportional to 5,154.03, 7,111.80 and 3,057.75

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Solution

The fourth proportional to 5,154.03, 7,111.80 and 3,057.75 is: 4,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.03 : 7,111.80 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    5,154.03/7,111.80 = 3,057.75/x
  3. Step 3: Cross multiply
    5,154.03x = 7,111.80 × 3,057.75
  4. Step 4: Simplify right side
    5,154.03x = 21,746,106.45
  5. Step 5: Solve for x
    x = 21,746,106.45/5,154.03
  6. Step 6: Final answer
    x = 4,219.24

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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.