Home / 4,050.26-6,075.39-1,128.80

Finding the Fourth Proportional to 4,050.26, 6,075.39 and 1,128.80

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Solution

The fourth proportional to 4,050.26, 6,075.39 and 1,128.80 is: 1,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.26 : 6,075.39 = 1,128.80 : x
  2. Step 2: Convert to fraction form
    4,050.26/6,075.39 = 1,128.80/x
  3. Step 3: Cross multiply
    4,050.26x = 6,075.39 × 1,128.80
  4. Step 4: Simplify right side
    4,050.26x = 6,857,869.86
  5. Step 5: Solve for x
    x = 6,857,869.86/4,050.26
  6. Step 6: Final answer
    x = 1,693.19

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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.