Home / 8,559.32-12,840.20-2,716.44

Finding the Fourth Proportional to 8,559.32, 12,840.20 and 2,716.44

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Solution

The fourth proportional to 8,559.32, 12,840.20 and 2,716.44 is: 4,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.32 : 12,840.20 = 2,716.44 : x
  2. Step 2: Convert to fraction form
    8,559.32/12,840.20 = 2,716.44/x
  3. Step 3: Cross multiply
    8,559.32x = 12,840.20 × 2,716.44
  4. Step 4: Simplify right side
    8,559.32x = 34,879,632.89
  5. Step 5: Solve for x
    x = 34,879,632.89/8,559.32
  6. Step 6: Final answer
    x = 4,075.05

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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.