Home / 5,271.50-7,907.25-2,312.84

Finding the Fourth Proportional to 5,271.50, 7,907.25 and 2,312.84

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Solution

The fourth proportional to 5,271.50, 7,907.25 and 2,312.84 is: 3,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.50 : 7,907.25 = 2,312.84 : x
  2. Step 2: Convert to fraction form
    5,271.50/7,907.25 = 2,312.84/x
  3. Step 3: Cross multiply
    5,271.50x = 7,907.25 × 2,312.84
  4. Step 4: Simplify right side
    5,271.50x = 18,288,164.55
  5. Step 5: Solve for x
    x = 18,288,164.55/5,271.50
  6. Step 6: Final answer
    x = 3,469.26

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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.