Home / 7,890.89-11,833.25-2,957.84

Finding the Fourth Proportional to 7,890.89, 11,833.25 and 2,957.84

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Solution

The fourth proportional to 7,890.89, 11,833.25 and 2,957.84 is: 4,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.89 : 11,833.25 = 2,957.84 : x
  2. Step 2: Convert to fraction form
    7,890.89/11,833.25 = 2,957.84/x
  3. Step 3: Cross multiply
    7,890.89x = 11,833.25 × 2,957.84
  4. Step 4: Simplify right side
    7,890.89x = 35,000,808.41
  5. Step 5: Solve for x
    x = 35,000,808.41/7,890.89
  6. Step 6: Final answer
    x = 4,435.60

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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.