Home / 8,323.12-11,485.56-4,738.61

Finding the Fourth Proportional to 8,323.12, 11,485.56 and 4,738.61

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Solution

The fourth proportional to 8,323.12, 11,485.56 and 4,738.61 is: 6,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.12 : 11,485.56 = 4,738.61 : x
  2. Step 2: Convert to fraction form
    8,323.12/11,485.56 = 4,738.61/x
  3. Step 3: Cross multiply
    8,323.12x = 11,485.56 × 4,738.61
  4. Step 4: Simplify right side
    8,323.12x = 54,425,562.46
  5. Step 5: Solve for x
    x = 54,425,562.46/8,323.12
  6. Step 6: Final answer
    x = 6,539.08

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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.