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Finding the Fourth Proportional to 8,907.79, 13,364.76 and 3,362.71

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Solution

The fourth proportional to 8,907.79, 13,364.76 and 3,362.71 is: 5,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.79 : 13,364.76 = 3,362.71 : x
  2. Step 2: Convert to fraction form
    8,907.79/13,364.76 = 3,362.71/x
  3. Step 3: Cross multiply
    8,907.79x = 13,364.76 × 3,362.71
  4. Step 4: Simplify right side
    8,907.79x = 44,941,812.10
  5. Step 5: Solve for x
    x = 44,941,812.10/8,907.79
  6. Step 6: Final answer
    x = 5,045.23

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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.