Home / 7,434.51-11,133.54-3,529.50

Finding the Fourth Proportional to 7,434.51, 11,133.54 and 3,529.50

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Solution

The fourth proportional to 7,434.51, 11,133.54 and 3,529.50 is: 5,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.51 : 11,133.54 = 3,529.50 : x
  2. Step 2: Convert to fraction form
    7,434.51/11,133.54 = 3,529.50/x
  3. Step 3: Cross multiply
    7,434.51x = 11,133.54 × 3,529.50
  4. Step 4: Simplify right side
    7,434.51x = 39,295,829.43
  5. Step 5: Solve for x
    x = 39,295,829.43/7,434.51
  6. Step 6: Final answer
    x = 5,285.60

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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.