Home / 4,050.30-6,075.37-1,128.53

Finding the Fourth Proportional to 4,050.30, 6,075.37 and 1,128.53

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Solution

The fourth proportional to 4,050.30, 6,075.37 and 1,128.53 is: 1,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.30 : 6,075.37 = 1,128.53 : x
  2. Step 2: Convert to fraction form
    4,050.30/6,075.37 = 1,128.53/x
  3. Step 3: Cross multiply
    4,050.30x = 6,075.37 × 1,128.53
  4. Step 4: Simplify right side
    4,050.30x = 6,856,253.91
  5. Step 5: Solve for x
    x = 6,856,253.91/4,050.30
  6. Step 6: Final answer
    x = 1,692.78

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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.