Home / 7,376.67-11,057.63-3,430.71

Finding the Fourth Proportional to 7,376.67, 11,057.63 and 3,430.71

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Solution

The fourth proportional to 7,376.67, 11,057.63 and 3,430.71 is: 5,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.67 : 11,057.63 = 3,430.71 : x
  2. Step 2: Convert to fraction form
    7,376.67/11,057.63 = 3,430.71/x
  3. Step 3: Cross multiply
    7,376.67x = 11,057.63 × 3,430.71
  4. Step 4: Simplify right side
    7,376.67x = 37,935,504.66
  5. Step 5: Solve for x
    x = 37,935,504.66/7,376.67
  6. Step 6: Final answer
    x = 5,142.63

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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.