Home / 6,528.30-9,785.07-3,243.66

Finding the Fourth Proportional to 6,528.30, 9,785.07 and 3,243.66

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Solution

The fourth proportional to 6,528.30, 9,785.07 and 3,243.66 is: 4,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.30 : 9,785.07 = 3,243.66 : x
  2. Step 2: Convert to fraction form
    6,528.30/9,785.07 = 3,243.66/x
  3. Step 3: Cross multiply
    6,528.30x = 9,785.07 × 3,243.66
  4. Step 4: Simplify right side
    6,528.30x = 31,739,440.16
  5. Step 5: Solve for x
    x = 31,739,440.16/6,528.30
  6. Step 6: Final answer
    x = 4,861.82

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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.