Home / 7,419.36-11,114.31-3,904.05

Finding the Fourth Proportional to 7,419.36, 11,114.31 and 3,904.05

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Solution

The fourth proportional to 7,419.36, 11,114.31 and 3,904.05 is: 5,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.36 : 11,114.31 = 3,904.05 : x
  2. Step 2: Convert to fraction form
    7,419.36/11,114.31 = 3,904.05/x
  3. Step 3: Cross multiply
    7,419.36x = 11,114.31 × 3,904.05
  4. Step 4: Simplify right side
    7,419.36x = 43,390,821.96
  5. Step 5: Solve for x
    x = 43,390,821.96/7,419.36
  6. Step 6: Final answer
    x = 5,848.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.