Home / 7,790.09-11,685.20-2,595.96

Finding the Fourth Proportional to 7,790.09, 11,685.20 and 2,595.96

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Solution

The fourth proportional to 7,790.09, 11,685.20 and 2,595.96 is: 3,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.09 : 11,685.20 = 2,595.96 : x
  2. Step 2: Convert to fraction form
    7,790.09/11,685.20 = 2,595.96/x
  3. Step 3: Cross multiply
    7,790.09x = 11,685.20 × 2,595.96
  4. Step 4: Simplify right side
    7,790.09x = 30,334,298.81
  5. Step 5: Solve for x
    x = 30,334,298.81/7,790.09
  6. Step 6: Final answer
    x = 3,893.96

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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.