Home / 8,238.91-11,374.86-6,346.93

Finding the Fourth Proportional to 8,238.91, 11,374.86 and 6,346.93

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Solution

The fourth proportional to 8,238.91, 11,374.86 and 6,346.93 is: 8,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.91 : 11,374.86 = 6,346.93 : x
  2. Step 2: Convert to fraction form
    8,238.91/11,374.86 = 6,346.93/x
  3. Step 3: Cross multiply
    8,238.91x = 11,374.86 × 6,346.93
  4. Step 4: Simplify right side
    8,238.91x = 72,195,440.18
  5. Step 5: Solve for x
    x = 72,195,440.18/8,238.91
  6. Step 6: Final answer
    x = 8,762.74

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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.