Home / 6,762.90-9,330.30-4,245.12

Finding the Fourth Proportional to 6,762.90, 9,330.30 and 4,245.12

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Solution

The fourth proportional to 6,762.90, 9,330.30 and 4,245.12 is: 5,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.90 : 9,330.30 = 4,245.12 : x
  2. Step 2: Convert to fraction form
    6,762.90/9,330.30 = 4,245.12/x
  3. Step 3: Cross multiply
    6,762.90x = 9,330.30 × 4,245.12
  4. Step 4: Simplify right side
    6,762.90x = 39,608,243.14
  5. Step 5: Solve for x
    x = 39,608,243.14/6,762.90
  6. Step 6: Final answer
    x = 5,856.70

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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.