Home / 4,078.24-6,119.40-1,482.40

Finding the Fourth Proportional to 4,078.24, 6,119.40 and 1,482.40

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Solution

The fourth proportional to 4,078.24, 6,119.40 and 1,482.40 is: 2,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.24 : 6,119.40 = 1,482.40 : x
  2. Step 2: Convert to fraction form
    4,078.24/6,119.40 = 1,482.40/x
  3. Step 3: Cross multiply
    4,078.24x = 6,119.40 × 1,482.40
  4. Step 4: Simplify right side
    4,078.24x = 9,071,398.56
  5. Step 5: Solve for x
    x = 9,071,398.56/4,078.24
  6. Step 6: Final answer
    x = 2,224.34

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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.