Home / 5,265.46-7,898.22-2,145.50

Finding the Fourth Proportional to 5,265.46, 7,898.22 and 2,145.50

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Solution

The fourth proportional to 5,265.46, 7,898.22 and 2,145.50 is: 3,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.46 : 7,898.22 = 2,145.50 : x
  2. Step 2: Convert to fraction form
    5,265.46/7,898.22 = 2,145.50/x
  3. Step 3: Cross multiply
    5,265.46x = 7,898.22 × 2,145.50
  4. Step 4: Simplify right side
    5,265.46x = 16,945,580.79
  5. Step 5: Solve for x
    x = 16,945,580.79/5,265.46
  6. Step 6: Final answer
    x = 3,218.25

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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.