Home / 5,107.91-7,660.64-1,410.05

Finding the Fourth Proportional to 5,107.91, 7,660.64 and 1,410.05

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Solution

The fourth proportional to 5,107.91, 7,660.64 and 1,410.05 is: 2,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.91 : 7,660.64 = 1,410.05 : x
  2. Step 2: Convert to fraction form
    5,107.91/7,660.64 = 1,410.05/x
  3. Step 3: Cross multiply
    5,107.91x = 7,660.64 × 1,410.05
  4. Step 4: Simplify right side
    5,107.91x = 10,801,908.11
  5. Step 5: Solve for x
    x = 10,801,908.11/5,107.91
  6. Step 6: Final answer
    x = 2,114.74

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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.