Home / 7,003.23-9,664.33-3,816.55

Finding the Fourth Proportional to 7,003.23, 9,664.33 and 3,816.55

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Solution

The fourth proportional to 7,003.23, 9,664.33 and 3,816.55 is: 5,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.23 : 9,664.33 = 3,816.55 : x
  2. Step 2: Convert to fraction form
    7,003.23/9,664.33 = 3,816.55/x
  3. Step 3: Cross multiply
    7,003.23x = 9,664.33 × 3,816.55
  4. Step 4: Simplify right side
    7,003.23x = 36,884,410.74
  5. Step 5: Solve for x
    x = 36,884,410.74/7,003.23
  6. Step 6: Final answer
    x = 5,266.77

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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.