Home / 7,451.88-11,181.65-4,954.80

Finding the Fourth Proportional to 7,451.88, 11,181.65 and 4,954.80

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Solution

The fourth proportional to 7,451.88, 11,181.65 and 4,954.80 is: 7,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.88 : 11,181.65 = 4,954.80 : x
  2. Step 2: Convert to fraction form
    7,451.88/11,181.65 = 4,954.80/x
  3. Step 3: Cross multiply
    7,451.88x = 11,181.65 × 4,954.80
  4. Step 4: Simplify right side
    7,451.88x = 55,402,839.42
  5. Step 5: Solve for x
    x = 55,402,839.42/7,451.88
  6. Step 6: Final answer
    x = 7,434.75

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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.