Home / 7,580.88-11,364.48-2,649.60

Finding the Fourth Proportional to 7,580.88, 11,364.48 and 2,649.60

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Solution

The fourth proportional to 7,580.88, 11,364.48 and 2,649.60 is: 3,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.88 : 11,364.48 = 2,649.60 : x
  2. Step 2: Convert to fraction form
    7,580.88/11,364.48 = 2,649.60/x
  3. Step 3: Cross multiply
    7,580.88x = 11,364.48 × 2,649.60
  4. Step 4: Simplify right side
    7,580.88x = 30,111,326.21
  5. Step 5: Solve for x
    x = 30,111,326.21/7,580.88
  6. Step 6: Final answer
    x = 3,972.01

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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.