Home / 6,887.12-9,504.43-3,902.86

Finding the Fourth Proportional to 6,887.12, 9,504.43 and 3,902.86

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Solution

The fourth proportional to 6,887.12, 9,504.43 and 3,902.86 is: 5,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.12 : 9,504.43 = 3,902.86 : x
  2. Step 2: Convert to fraction form
    6,887.12/9,504.43 = 3,902.86/x
  3. Step 3: Cross multiply
    6,887.12x = 9,504.43 × 3,902.86
  4. Step 4: Simplify right side
    6,887.12x = 37,094,452.67
  5. Step 5: Solve for x
    x = 37,094,452.67/6,887.12
  6. Step 6: Final answer
    x = 5,386.06

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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.