Home / 7,898.49-11,847.94-3,740.45

Finding the Fourth Proportional to 7,898.49, 11,847.94 and 3,740.45

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Solution

The fourth proportional to 7,898.49, 11,847.94 and 3,740.45 is: 5,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.49 : 11,847.94 = 3,740.45 : x
  2. Step 2: Convert to fraction form
    7,898.49/11,847.94 = 3,740.45/x
  3. Step 3: Cross multiply
    7,898.49x = 11,847.94 × 3,740.45
  4. Step 4: Simplify right side
    7,898.49x = 44,316,558.58
  5. Step 5: Solve for x
    x = 44,316,558.58/7,898.49
  6. Step 6: Final answer
    x = 5,610.76

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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.