Home / 8,769.25-13,155.90-2,925.91

Finding the Fourth Proportional to 8,769.25, 13,155.90 and 2,925.91

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Solution

The fourth proportional to 8,769.25, 13,155.90 and 2,925.91 is: 4,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.25 : 13,155.90 = 2,925.91 : x
  2. Step 2: Convert to fraction form
    8,769.25/13,155.90 = 2,925.91/x
  3. Step 3: Cross multiply
    8,769.25x = 13,155.90 × 2,925.91
  4. Step 4: Simplify right side
    8,769.25x = 38,492,979.37
  5. Step 5: Solve for x
    x = 38,492,979.37/8,769.25
  6. Step 6: Final answer
    x = 4,389.54

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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.