Home / 7,579.60-11,366.70-2,649.40

Finding the Fourth Proportional to 7,579.60, 11,366.70 and 2,649.40

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Solution

The fourth proportional to 7,579.60, 11,366.70 and 2,649.40 is: 3,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.60 : 11,366.70 = 2,649.40 : x
  2. Step 2: Convert to fraction form
    7,579.60/11,366.70 = 2,649.40/x
  3. Step 3: Cross multiply
    7,579.60x = 11,366.70 × 2,649.40
  4. Step 4: Simplify right side
    7,579.60x = 30,114,934.98
  5. Step 5: Solve for x
    x = 30,114,934.98/7,579.60
  6. Step 6: Final answer
    x = 3,973.16

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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.