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Finding the Fourth Proportional to 8,746.79, 13,119.85 and 2,506.79

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Solution

The fourth proportional to 8,746.79, 13,119.85 and 2,506.79 is: 3,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.79 : 13,119.85 = 2,506.79 : x
  2. Step 2: Convert to fraction form
    8,746.79/13,119.85 = 2,506.79/x
  3. Step 3: Cross multiply
    8,746.79x = 13,119.85 × 2,506.79
  4. Step 4: Simplify right side
    8,746.79x = 32,888,735.31
  5. Step 5: Solve for x
    x = 32,888,735.31/8,746.79
  6. Step 6: Final answer
    x = 3,760.09

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1.5x scale

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.