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Finding the Fourth Proportional to 5,763.68, 7,950.18 and 3,994.94

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Solution

The fourth proportional to 5,763.68, 7,950.18 and 3,994.94 is: 5,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.68 : 7,950.18 = 3,994.94 : x
  2. Step 2: Convert to fraction form
    5,763.68/7,950.18 = 3,994.94/x
  3. Step 3: Cross multiply
    5,763.68x = 7,950.18 × 3,994.94
  4. Step 4: Simplify right side
    5,763.68x = 31,760,492.09
  5. Step 5: Solve for x
    x = 31,760,492.09/5,763.68
  6. Step 6: Final answer
    x = 5,510.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.