Home / 4,302.78-6,452.76-1,380.39

Finding the Fourth Proportional to 4,302.78, 6,452.76 and 1,380.39

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Solution

The fourth proportional to 4,302.78, 6,452.76 and 1,380.39 is: 2,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.78 : 6,452.76 = 1,380.39 : x
  2. Step 2: Convert to fraction form
    4,302.78/6,452.76 = 1,380.39/x
  3. Step 3: Cross multiply
    4,302.78x = 6,452.76 × 1,380.39
  4. Step 4: Simplify right side
    4,302.78x = 8,907,325.38
  5. Step 5: Solve for x
    x = 8,907,325.38/4,302.78
  6. Step 6: Final answer
    x = 2,070.13

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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.