Home / 7,353.81-11,030.63-3,455.46

Finding the Fourth Proportional to 7,353.81, 11,030.63 and 3,455.46

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Solution

The fourth proportional to 7,353.81, 11,030.63 and 3,455.46 is: 5,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.81 : 11,030.63 = 3,455.46 : x
  2. Step 2: Convert to fraction form
    7,353.81/11,030.63 = 3,455.46/x
  3. Step 3: Cross multiply
    7,353.81x = 11,030.63 × 3,455.46
  4. Step 4: Simplify right side
    7,353.81x = 38,115,883.46
  5. Step 5: Solve for x
    x = 38,115,883.46/7,353.81
  6. Step 6: Final answer
    x = 5,183.15

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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.