Home / 4,050.47-6,075.74-1,128.60

Finding the Fourth Proportional to 4,050.47, 6,075.74 and 1,128.60

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Solution

The fourth proportional to 4,050.47, 6,075.74 and 1,128.60 is: 1,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.47 : 6,075.74 = 1,128.60 : x
  2. Step 2: Convert to fraction form
    4,050.47/6,075.74 = 1,128.60/x
  3. Step 3: Cross multiply
    4,050.47x = 6,075.74 × 1,128.60
  4. Step 4: Simplify right side
    4,050.47x = 6,857,082.99
  5. Step 5: Solve for x
    x = 6,857,082.99/4,050.47
  6. Step 6: Final answer
    x = 1,692.91

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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.