Home / 8,075.16-12,101.67-4,182.30

Finding the Fourth Proportional to 8,075.16, 12,101.67 and 4,182.30

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Solution

The fourth proportional to 8,075.16, 12,101.67 and 4,182.30 is: 6,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.16 : 12,101.67 = 4,182.30 : x
  2. Step 2: Convert to fraction form
    8,075.16/12,101.67 = 4,182.30/x
  3. Step 3: Cross multiply
    8,075.16x = 12,101.67 × 4,182.30
  4. Step 4: Simplify right side
    8,075.16x = 50,612,814.44
  5. Step 5: Solve for x
    x = 50,612,814.44/8,075.16
  6. Step 6: Final answer
    x = 6,267.72

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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.