Home / 6,419.97-8,858.73-3,587.52

Finding the Fourth Proportional to 6,419.97, 8,858.73 and 3,587.52

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Solution

The fourth proportional to 6,419.97, 8,858.73 and 3,587.52 is: 4,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.97 : 8,858.73 = 3,587.52 : x
  2. Step 2: Convert to fraction form
    6,419.97/8,858.73 = 3,587.52/x
  3. Step 3: Cross multiply
    6,419.97x = 8,858.73 × 3,587.52
  4. Step 4: Simplify right side
    6,419.97x = 31,780,871.05
  5. Step 5: Solve for x
    x = 31,780,871.05/6,419.97
  6. Step 6: Final answer
    x = 4,950.31

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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.