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Finding the Fourth Proportional to 7,047, 10,559.52 and 2,662.07

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Solution

The fourth proportional to 7,047, 10,559.52 and 2,662.07 is: 3,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047 : 10,559.52 = 2,662.07 : x
  2. Step 2: Convert to fraction form
    7,047/10,559.52 = 2,662.07/x
  3. Step 3: Cross multiply
    7,047x = 10,559.52 × 2,662.07
  4. Step 4: Simplify right side
    7,047x = 28,110,128.61
  5. Step 5: Solve for x
    x = 28,110,128.61/7,047
  6. Step 6: Final answer
    x = 3,988.95

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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.