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Finding the Fourth Proportional to 10,358.98, 15,539.01 and 2,964.53

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Solution

The fourth proportional to 10,358.98, 15,539.01 and 2,964.53 is: 4,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.98 : 15,539.01 = 2,964.53 : x
  2. Step 2: Convert to fraction form
    10,358.98/15,539.01 = 2,964.53/x
  3. Step 3: Cross multiply
    10,358.98x = 15,539.01 × 2,964.53
  4. Step 4: Simplify right side
    10,358.98x = 46,065,768.80
  5. Step 5: Solve for x
    x = 46,065,768.80/10,358.98
  6. Step 6: Final answer
    x = 4,446.94

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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.