Home / 7,457.63-11,182.46-3,938.73

Finding the Fourth Proportional to 7,457.63, 11,182.46 and 3,938.73

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Solution

The fourth proportional to 7,457.63, 11,182.46 and 3,938.73 is: 5,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.63 : 11,182.46 = 3,938.73 : x
  2. Step 2: Convert to fraction form
    7,457.63/11,182.46 = 3,938.73/x
  3. Step 3: Cross multiply
    7,457.63x = 11,182.46 × 3,938.73
  4. Step 4: Simplify right side
    7,457.63x = 44,044,670.98
  5. Step 5: Solve for x
    x = 44,044,670.98/7,457.63
  6. Step 6: Final answer
    x = 5,905.99

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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.