Home / 7,890.60-11,833.47-2,624.50

Finding the Fourth Proportional to 7,890.60, 11,833.47 and 2,624.50

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Solution

The fourth proportional to 7,890.60, 11,833.47 and 2,624.50 is: 3,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.60 : 11,833.47 = 2,624.50 : x
  2. Step 2: Convert to fraction form
    7,890.60/11,833.47 = 2,624.50/x
  3. Step 3: Cross multiply
    7,890.60x = 11,833.47 × 2,624.50
  4. Step 4: Simplify right side
    7,890.60x = 31,056,942.02
  5. Step 5: Solve for x
    x = 31,056,942.02/7,890.60
  6. Step 6: Final answer
    x = 3,935.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.