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Finding the Fourth Proportional to 5,222.98, 7,819.08 and 4,574.98

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Solution

The fourth proportional to 5,222.98, 7,819.08 and 4,574.98 is: 6,848.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.98 : 7,819.08 = 4,574.98 : x
  2. Step 2: Convert to fraction form
    5,222.98/7,819.08 = 4,574.98/x
  3. Step 3: Cross multiply
    5,222.98x = 7,819.08 × 4,574.98
  4. Step 4: Simplify right side
    5,222.98x = 35,772,134.62
  5. Step 5: Solve for x
    x = 35,772,134.62/5,222.98
  6. Step 6: Final answer
    x = 6,848.99

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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.