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Finding the Fourth Proportional to 5,300.58, 7,950.86 and 2,378.88

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Solution

The fourth proportional to 5,300.58, 7,950.86 and 2,378.88 is: 3,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.58 : 7,950.86 = 2,378.88 : x
  2. Step 2: Convert to fraction form
    5,300.58/7,950.86 = 2,378.88/x
  3. Step 3: Cross multiply
    5,300.58x = 7,950.86 × 2,378.88
  4. Step 4: Simplify right side
    5,300.58x = 18,914,141.84
  5. Step 5: Solve for x
    x = 18,914,141.84/5,300.58
  6. Step 6: Final answer
    x = 3,568.32

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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.