Home / 8,325.09-12,484.89-2,776.79

Finding the Fourth Proportional to 8,325.09, 12,484.89 and 2,776.79

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Solution

The fourth proportional to 8,325.09, 12,484.89 and 2,776.79 is: 4,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.09 : 12,484.89 = 2,776.79 : x
  2. Step 2: Convert to fraction form
    8,325.09/12,484.89 = 2,776.79/x
  3. Step 3: Cross multiply
    8,325.09x = 12,484.89 × 2,776.79
  4. Step 4: Simplify right side
    8,325.09x = 34,667,855.28
  5. Step 5: Solve for x
    x = 34,667,855.28/8,325.09
  6. Step 6: Final answer
    x = 4,164.26

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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.