Home / 6,128.69-9,191.21-2,232.19

Finding the Fourth Proportional to 6,128.69, 9,191.21 and 2,232.19

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Solution

The fourth proportional to 6,128.69, 9,191.21 and 2,232.19 is: 3,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.69 : 9,191.21 = 2,232.19 : x
  2. Step 2: Convert to fraction form
    6,128.69/9,191.21 = 2,232.19/x
  3. Step 3: Cross multiply
    6,128.69x = 9,191.21 × 2,232.19
  4. Step 4: Simplify right side
    6,128.69x = 20,516,509.65
  5. Step 5: Solve for x
    x = 20,516,509.65/6,128.69
  6. Step 6: Final answer
    x = 3,347.62

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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.