Home / 5,271.56-7,907.34-1,808.84

Finding the Fourth Proportional to 5,271.56, 7,907.34 and 1,808.84

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Solution

The fourth proportional to 5,271.56, 7,907.34 and 1,808.84 is: 2,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.56 : 7,907.34 = 1,808.84 : x
  2. Step 2: Convert to fraction form
    5,271.56/7,907.34 = 1,808.84/x
  3. Step 3: Cross multiply
    5,271.56x = 7,907.34 × 1,808.84
  4. Step 4: Simplify right side
    5,271.56x = 14,303,112.89
  5. Step 5: Solve for x
    x = 14,303,112.89/5,271.56
  6. Step 6: Final answer
    x = 2,713.26

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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.