Home / 7,078.36-10,617.78-1,884.24

Finding the Fourth Proportional to 7,078.36, 10,617.78 and 1,884.24

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Solution

The fourth proportional to 7,078.36, 10,617.78 and 1,884.24 is: 2,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.36 : 10,617.78 = 1,884.24 : x
  2. Step 2: Convert to fraction form
    7,078.36/10,617.78 = 1,884.24/x
  3. Step 3: Cross multiply
    7,078.36x = 10,617.78 × 1,884.24
  4. Step 4: Simplify right side
    7,078.36x = 20,006,445.79
  5. Step 5: Solve for x
    x = 20,006,445.79/7,078.36
  6. Step 6: Final answer
    x = 2,826.42

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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.