Home / 4,302.50-6,453.14-1,380.42

Finding the Fourth Proportional to 4,302.50, 6,453.14 and 1,380.42

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Solution

The fourth proportional to 4,302.50, 6,453.14 and 1,380.42 is: 2,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.50 : 6,453.14 = 1,380.42 : x
  2. Step 2: Convert to fraction form
    4,302.50/6,453.14 = 1,380.42/x
  3. Step 3: Cross multiply
    4,302.50x = 6,453.14 × 1,380.42
  4. Step 4: Simplify right side
    4,302.50x = 8,908,043.52
  5. Step 5: Solve for x
    x = 8,908,043.52/4,302.50
  6. Step 6: Final answer
    x = 2,070.43

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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.