Home / 8,318.79-11,485.71-6,732.50

Finding the Fourth Proportional to 8,318.79, 11,485.71 and 6,732.50

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Solution

The fourth proportional to 8,318.79, 11,485.71 and 6,732.50 is: 9,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.79 : 11,485.71 = 6,732.50 : x
  2. Step 2: Convert to fraction form
    8,318.79/11,485.71 = 6,732.50/x
  3. Step 3: Cross multiply
    8,318.79x = 11,485.71 × 6,732.50
  4. Step 4: Simplify right side
    8,318.79x = 77,327,485.15
  5. Step 5: Solve for x
    x = 77,327,485.15/8,318.79
  6. Step 6: Final answer
    x = 9,295.52

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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.