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Finding the Fourth Proportional to 8,854.62, 13,281.93 and 2,698.62

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Solution

The fourth proportional to 8,854.62, 13,281.93 and 2,698.62 is: 4,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.62 : 13,281.93 = 2,698.62 : x
  2. Step 2: Convert to fraction form
    8,854.62/13,281.93 = 2,698.62/x
  3. Step 3: Cross multiply
    8,854.62x = 13,281.93 × 2,698.62
  4. Step 4: Simplify right side
    8,854.62x = 35,842,881.94
  5. Step 5: Solve for x
    x = 35,842,881.94/8,854.62
  6. Step 6: Final answer
    x = 4,047.93

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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.