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Finding the Fourth Proportional to 8,918, 13,364.04 and 5,017.04

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Solution

The fourth proportional to 8,918, 13,364.04 and 5,017.04 is: 7,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918 : 13,364.04 = 5,017.04 : x
  2. Step 2: Convert to fraction form
    8,918/13,364.04 = 5,017.04/x
  3. Step 3: Cross multiply
    8,918x = 13,364.04 × 5,017.04
  4. Step 4: Simplify right side
    8,918x = 67,047,923.24
  5. Step 5: Solve for x
    x = 67,047,923.24/8,918
  6. Step 6: Final answer
    x = 7,518.27

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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.