Home / 4,805.80-7,199.35-3,157.38

Finding the Fourth Proportional to 4,805.80, 7,199.35 and 3,157.38

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Solution

The fourth proportional to 4,805.80, 7,199.35 and 3,157.38 is: 4,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.80 : 7,199.35 = 3,157.38 : x
  2. Step 2: Convert to fraction form
    4,805.80/7,199.35 = 3,157.38/x
  3. Step 3: Cross multiply
    4,805.80x = 7,199.35 × 3,157.38
  4. Step 4: Simplify right side
    4,805.80x = 22,731,075.81
  5. Step 5: Solve for x
    x = 22,731,075.81/4,805.80
  6. Step 6: Final answer
    x = 4,729.93

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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.