Home / 7,649.08-11,475.44-2,969.20

Finding the Fourth Proportional to 7,649.08, 11,475.44 and 2,969.20

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Solution

The fourth proportional to 7,649.08, 11,475.44 and 2,969.20 is: 4,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.08 : 11,475.44 = 2,969.20 : x
  2. Step 2: Convert to fraction form
    7,649.08/11,475.44 = 2,969.20/x
  3. Step 3: Cross multiply
    7,649.08x = 11,475.44 × 2,969.20
  4. Step 4: Simplify right side
    7,649.08x = 34,072,887.08
  5. Step 5: Solve for x
    x = 34,072,887.08/7,649.08
  6. Step 6: Final answer
    x = 4,454.51

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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.