Home / 9,359.28-12,905.31-6,376.86

Finding the Fourth Proportional to 9,359.28, 12,905.31 and 6,376.86

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Solution

The fourth proportional to 9,359.28, 12,905.31 and 6,376.86 is: 8,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.28 : 12,905.31 = 6,376.86 : x
  2. Step 2: Convert to fraction form
    9,359.28/12,905.31 = 6,376.86/x
  3. Step 3: Cross multiply
    9,359.28x = 12,905.31 × 6,376.86
  4. Step 4: Simplify right side
    9,359.28x = 82,295,274.66
  5. Step 5: Solve for x
    x = 82,295,274.66/9,359.28
  6. Step 6: Final answer
    x = 8,792.91

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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.