Home / 9,370.12-12,941.40-6,380.77

Finding the Fourth Proportional to 9,370.12, 12,941.40 and 6,380.77

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Solution

The fourth proportional to 9,370.12, 12,941.40 and 6,380.77 is: 8,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.12 : 12,941.40 = 6,380.77 : x
  2. Step 2: Convert to fraction form
    9,370.12/12,941.40 = 6,380.77/x
  3. Step 3: Cross multiply
    9,370.12x = 12,941.40 × 6,380.77
  4. Step 4: Simplify right side
    9,370.12x = 82,576,096.88
  5. Step 5: Solve for x
    x = 82,576,096.88/9,370.12
  6. Step 6: Final answer
    x = 8,812.70

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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.