Home / 7,580.18-11,370.30-2,649.84

Finding the Fourth Proportional to 7,580.18, 11,370.30 and 2,649.84

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Solution

The fourth proportional to 7,580.18, 11,370.30 and 2,649.84 is: 3,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.18 : 11,370.30 = 2,649.84 : x
  2. Step 2: Convert to fraction form
    7,580.18/11,370.30 = 2,649.84/x
  3. Step 3: Cross multiply
    7,580.18x = 11,370.30 × 2,649.84
  4. Step 4: Simplify right side
    7,580.18x = 30,129,462.50
  5. Step 5: Solve for x
    x = 30,129,462.50/7,580.18
  6. Step 6: Final answer
    x = 3,974.77

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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.