Home / 6,887.73-9,505.35-3,903.53

Finding the Fourth Proportional to 6,887.73, 9,505.35 and 3,903.53

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Solution

The fourth proportional to 6,887.73, 9,505.35 and 3,903.53 is: 5,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.73 : 9,505.35 = 3,903.53 : x
  2. Step 2: Convert to fraction form
    6,887.73/9,505.35 = 3,903.53/x
  3. Step 3: Cross multiply
    6,887.73x = 9,505.35 × 3,903.53
  4. Step 4: Simplify right side
    6,887.73x = 37,104,442.65
  5. Step 5: Solve for x
    x = 37,104,442.65/6,887.73
  6. Step 6: Final answer
    x = 5,387.04

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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.