Home / 6,535.80-9,018.18-3,883.86

Finding the Fourth Proportional to 6,535.80, 9,018.18 and 3,883.86

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Solution

The fourth proportional to 6,535.80, 9,018.18 and 3,883.86 is: 5,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.80 : 9,018.18 = 3,883.86 : x
  2. Step 2: Convert to fraction form
    6,535.80/9,018.18 = 3,883.86/x
  3. Step 3: Cross multiply
    6,535.80x = 9,018.18 × 3,883.86
  4. Step 4: Simplify right side
    6,535.80x = 35,025,348.57
  5. Step 5: Solve for x
    x = 35,025,348.57/6,535.80
  6. Step 6: Final answer
    x = 5,359.00

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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.