Home / 7,696.20-10,620.54-4,712.28

Finding the Fourth Proportional to 7,696.20, 10,620.54 and 4,712.28

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Solution

The fourth proportional to 7,696.20, 10,620.54 and 4,712.28 is: 6,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.20 : 10,620.54 = 4,712.28 : x
  2. Step 2: Convert to fraction form
    7,696.20/10,620.54 = 4,712.28/x
  3. Step 3: Cross multiply
    7,696.20x = 10,620.54 × 4,712.28
  4. Step 4: Simplify right side
    7,696.20x = 50,046,958.23
  5. Step 5: Solve for x
    x = 50,046,958.23/7,696.20
  6. Step 6: Final answer
    x = 6,502.81

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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.