Home / 6,909.24-9,534.72-4,076.64

Finding the Fourth Proportional to 6,909.24, 9,534.72 and 4,076.64

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Solution

The fourth proportional to 6,909.24, 9,534.72 and 4,076.64 is: 5,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.24 : 9,534.72 = 4,076.64 : x
  2. Step 2: Convert to fraction form
    6,909.24/9,534.72 = 4,076.64/x
  3. Step 3: Cross multiply
    6,909.24x = 9,534.72 × 4,076.64
  4. Step 4: Simplify right side
    6,909.24x = 38,869,620.94
  5. Step 5: Solve for x
    x = 38,869,620.94/6,909.24
  6. Step 6: Final answer
    x = 5,625.74

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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.