Home / 7,385.04-10,198.44-6,330.96

Finding the Fourth Proportional to 7,385.04, 10,198.44 and 6,330.96

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Solution

The fourth proportional to 7,385.04, 10,198.44 and 6,330.96 is: 8,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.04 : 10,198.44 = 6,330.96 : x
  2. Step 2: Convert to fraction form
    7,385.04/10,198.44 = 6,330.96/x
  3. Step 3: Cross multiply
    7,385.04x = 10,198.44 × 6,330.96
  4. Step 4: Simplify right side
    7,385.04x = 64,565,915.70
  5. Step 5: Solve for x
    x = 64,565,915.70/7,385.04
  6. Step 6: Final answer
    x = 8,742.80

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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.