Home / 6,887.46-9,518.70-5,208.30

Finding the Fourth Proportional to 6,887.46, 9,518.70 and 5,208.30

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Solution

The fourth proportional to 6,887.46, 9,518.70 and 5,208.30 is: 7,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.46 : 9,518.70 = 5,208.30 : x
  2. Step 2: Convert to fraction form
    6,887.46/9,518.70 = 5,208.30/x
  3. Step 3: Cross multiply
    6,887.46x = 9,518.70 × 5,208.30
  4. Step 4: Simplify right side
    6,887.46x = 49,576,245.21
  5. Step 5: Solve for x
    x = 49,576,245.21/6,887.46
  6. Step 6: Final answer
    x = 7,198.04

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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.