Home / 8,404.63-12,595.64-4,247.57

Finding the Fourth Proportional to 8,404.63, 12,595.64 and 4,247.57

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Solution

The fourth proportional to 8,404.63, 12,595.64 and 4,247.57 is: 6,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.63 : 12,595.64 = 4,247.57 : x
  2. Step 2: Convert to fraction form
    8,404.63/12,595.64 = 4,247.57/x
  3. Step 3: Cross multiply
    8,404.63x = 12,595.64 × 4,247.57
  4. Step 4: Simplify right side
    8,404.63x = 53,500,872.85
  5. Step 5: Solve for x
    x = 53,500,872.85/8,404.63
  6. Step 6: Final answer
    x = 6,365.64

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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.