Home / 7,700.06-11,548.89-2,505.90

Finding the Fourth Proportional to 7,700.06, 11,548.89 and 2,505.90

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Solution

The fourth proportional to 7,700.06, 11,548.89 and 2,505.90 is: 3,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.06 : 11,548.89 = 2,505.90 : x
  2. Step 2: Convert to fraction form
    7,700.06/11,548.89 = 2,505.90/x
  3. Step 3: Cross multiply
    7,700.06x = 11,548.89 × 2,505.90
  4. Step 4: Simplify right side
    7,700.06x = 28,940,363.45
  5. Step 5: Solve for x
    x = 28,940,363.45/7,700.06
  6. Step 6: Final answer
    x = 3,758.46

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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.