Home / 6,729.90-10,105.65-4,548.30

Finding the Fourth Proportional to 6,729.90, 10,105.65 and 4,548.30

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Solution

The fourth proportional to 6,729.90, 10,105.65 and 4,548.30 is: 6,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.90 : 10,105.65 = 4,548.30 : x
  2. Step 2: Convert to fraction form
    6,729.90/10,105.65 = 4,548.30/x
  3. Step 3: Cross multiply
    6,729.90x = 10,105.65 × 4,548.30
  4. Step 4: Simplify right side
    6,729.90x = 45,963,527.90
  5. Step 5: Solve for x
    x = 45,963,527.90/6,729.90
  6. Step 6: Final answer
    x = 6,829.75

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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.