Home / 9,145.29-13,709.91-4,399.07

Finding the Fourth Proportional to 9,145.29, 13,709.91 and 4,399.07

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Solution

The fourth proportional to 9,145.29, 13,709.91 and 4,399.07 is: 6,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.29 : 13,709.91 = 4,399.07 : x
  2. Step 2: Convert to fraction form
    9,145.29/13,709.91 = 4,399.07/x
  3. Step 3: Cross multiply
    9,145.29x = 13,709.91 × 4,399.07
  4. Step 4: Simplify right side
    9,145.29x = 60,310,785.23
  5. Step 5: Solve for x
    x = 60,310,785.23/9,145.29
  6. Step 6: Final answer
    x = 6,594.74

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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.