Home / 7,670.24-11,505.46-2,740.17

Finding the Fourth Proportional to 7,670.24, 11,505.46 and 2,740.17

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Solution

The fourth proportional to 7,670.24, 11,505.46 and 2,740.17 is: 4,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.24 : 11,505.46 = 2,740.17 : x
  2. Step 2: Convert to fraction form
    7,670.24/11,505.46 = 2,740.17/x
  3. Step 3: Cross multiply
    7,670.24x = 11,505.46 × 2,740.17
  4. Step 4: Simplify right side
    7,670.24x = 31,526,909.48
  5. Step 5: Solve for x
    x = 31,526,909.48/7,670.24
  6. Step 6: Final answer
    x = 4,110.29

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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.