Home / 7,199.35-10,800.54-4,080.85

Finding the Fourth Proportional to 7,199.35, 10,800.54 and 4,080.85

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Solution

The fourth proportional to 7,199.35, 10,800.54 and 4,080.85 is: 6,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.35 : 10,800.54 = 4,080.85 : x
  2. Step 2: Convert to fraction form
    7,199.35/10,800.54 = 4,080.85/x
  3. Step 3: Cross multiply
    7,199.35x = 10,800.54 × 4,080.85
  4. Step 4: Simplify right side
    7,199.35x = 44,075,383.66
  5. Step 5: Solve for x
    x = 44,075,383.66/7,199.35
  6. Step 6: Final answer
    x = 6,122.13

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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.