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Finding the Fourth Proportional to 5,574.80, 8,347.62 and 2,964.98

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Solution

The fourth proportional to 5,574.80, 8,347.62 and 2,964.98 is: 4,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.80 : 8,347.62 = 2,964.98 : x
  2. Step 2: Convert to fraction form
    5,574.80/8,347.62 = 2,964.98/x
  3. Step 3: Cross multiply
    5,574.80x = 8,347.62 × 2,964.98
  4. Step 4: Simplify right side
    5,574.80x = 24,750,526.35
  5. Step 5: Solve for x
    x = 24,750,526.35/5,574.80
  6. Step 6: Final answer
    x = 4,439.72

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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.