Home / 8,977.42-12,399.95-6,336.62

Finding the Fourth Proportional to 8,977.42, 12,399.95 and 6,336.62

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Solution

The fourth proportional to 8,977.42, 12,399.95 and 6,336.62 is: 8,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.42 : 12,399.95 = 6,336.62 : x
  2. Step 2: Convert to fraction form
    8,977.42/12,399.95 = 6,336.62/x
  3. Step 3: Cross multiply
    8,977.42x = 12,399.95 × 6,336.62
  4. Step 4: Simplify right side
    8,977.42x = 78,573,771.17
  5. Step 5: Solve for x
    x = 78,573,771.17/8,977.42
  6. Step 6: Final answer
    x = 8,752.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.