Home / 7,204.32-10,829.44-6,690.72

Finding the Fourth Proportional to 7,204.32, 10,829.44 and 6,690.72

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Solution

The fourth proportional to 7,204.32, 10,829.44 and 6,690.72 is: 10,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.32 : 10,829.44 = 6,690.72 : x
  2. Step 2: Convert to fraction form
    7,204.32/10,829.44 = 6,690.72/x
  3. Step 3: Cross multiply
    7,204.32x = 10,829.44 × 6,690.72
  4. Step 4: Simplify right side
    7,204.32x = 72,456,750.80
  5. Step 5: Solve for x
    x = 72,456,750.80/7,204.32
  6. Step 6: Final answer
    x = 10,057.40

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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.