Home / 8,538.32-11,783.49-4,761.74

Finding the Fourth Proportional to 8,538.32, 11,783.49 and 4,761.74

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Solution

The fourth proportional to 8,538.32, 11,783.49 and 4,761.74 is: 6,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.32 : 11,783.49 = 4,761.74 : x
  2. Step 2: Convert to fraction form
    8,538.32/11,783.49 = 4,761.74/x
  3. Step 3: Cross multiply
    8,538.32x = 11,783.49 × 4,761.74
  4. Step 4: Simplify right side
    8,538.32x = 56,109,927.27
  5. Step 5: Solve for x
    x = 56,109,927.27/8,538.32
  6. Step 6: Final answer
    x = 6,571.54

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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.