Home / 5,078.24-7,612.13-3,518.64

Finding the Fourth Proportional to 5,078.24, 7,612.13 and 3,518.64

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Solution

The fourth proportional to 5,078.24, 7,612.13 and 3,518.64 is: 5,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.24 : 7,612.13 = 3,518.64 : x
  2. Step 2: Convert to fraction form
    5,078.24/7,612.13 = 3,518.64/x
  3. Step 3: Cross multiply
    5,078.24x = 7,612.13 × 3,518.64
  4. Step 4: Simplify right side
    5,078.24x = 26,784,334.11
  5. Step 5: Solve for x
    x = 26,784,334.11/5,078.24
  6. Step 6: Final answer
    x = 5,274.33

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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.