Home / 5,105.28-7,653.48-4,330.32

Finding the Fourth Proportional to 5,105.28, 7,653.48 and 4,330.32

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Solution

The fourth proportional to 5,105.28, 7,653.48 and 4,330.32 is: 6,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.28 : 7,653.48 = 4,330.32 : x
  2. Step 2: Convert to fraction form
    5,105.28/7,653.48 = 4,330.32/x
  3. Step 3: Cross multiply
    5,105.28x = 7,653.48 × 4,330.32
  4. Step 4: Simplify right side
    5,105.28x = 33,142,017.51
  5. Step 5: Solve for x
    x = 33,142,017.51/5,105.28
  6. Step 6: Final answer
    x = 6,491.71

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1.5x scale

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.