Home / 7,538.32-10,383.47-6,341.84

Finding the Fourth Proportional to 7,538.32, 10,383.47 and 6,341.84

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Solution

The fourth proportional to 7,538.32, 10,383.47 and 6,341.84 is: 8,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.32 : 10,383.47 = 6,341.84 : x
  2. Step 2: Convert to fraction form
    7,538.32/10,383.47 = 6,341.84/x
  3. Step 3: Cross multiply
    7,538.32x = 10,383.47 × 6,341.84
  4. Step 4: Simplify right side
    7,538.32x = 65,850,325.05
  5. Step 5: Solve for x
    x = 65,850,325.05/7,538.32
  6. Step 6: Final answer
    x = 8,735.42

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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.