Home / 8,075.79-12,112.30-2,152.76

Finding the Fourth Proportional to 8,075.79, 12,112.30 and 2,152.76

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Solution

The fourth proportional to 8,075.79, 12,112.30 and 2,152.76 is: 3,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.79 : 12,112.30 = 2,152.76 : x
  2. Step 2: Convert to fraction form
    8,075.79/12,112.30 = 2,152.76/x
  3. Step 3: Cross multiply
    8,075.79x = 12,112.30 × 2,152.76
  4. Step 4: Simplify right side
    8,075.79x = 26,074,874.95
  5. Step 5: Solve for x
    x = 26,074,874.95/8,075.79
  6. Step 6: Final answer
    x = 3,228.77

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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.