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Finding the Fourth Proportional to 6,904.43, 9,533.73 and 5,628.51

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Solution

The fourth proportional to 6,904.43, 9,533.73 and 5,628.51 is: 7,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.43 : 9,533.73 = 5,628.51 : x
  2. Step 2: Convert to fraction form
    6,904.43/9,533.73 = 5,628.51/x
  3. Step 3: Cross multiply
    6,904.43x = 9,533.73 × 5,628.51
  4. Step 4: Simplify right side
    6,904.43x = 53,660,715.75
  5. Step 5: Solve for x
    x = 53,660,715.75/6,904.43
  6. Step 6: Final answer
    x = 7,771.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.