Home / 7,428.24-11,147.81-5,984.82

Finding the Fourth Proportional to 7,428.24, 11,147.81 and 5,984.82

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Solution

The fourth proportional to 7,428.24, 11,147.81 and 5,984.82 is: 8,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.24 : 11,147.81 = 5,984.82 : x
  2. Step 2: Convert to fraction form
    7,428.24/11,147.81 = 5,984.82/x
  3. Step 3: Cross multiply
    7,428.24x = 11,147.81 × 5,984.82
  4. Step 4: Simplify right side
    7,428.24x = 66,717,606.32
  5. Step 5: Solve for x
    x = 66,717,606.32/7,428.24
  6. Step 6: Final answer
    x = 8,981.62

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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.