Home / 6,315.48-8,705.44-4,322.58

Finding the Fourth Proportional to 6,315.48, 8,705.44 and 4,322.58

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Solution

The fourth proportional to 6,315.48, 8,705.44 and 4,322.58 is: 5,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.48 : 8,705.44 = 4,322.58 : x
  2. Step 2: Convert to fraction form
    6,315.48/8,705.44 = 4,322.58/x
  3. Step 3: Cross multiply
    6,315.48x = 8,705.44 × 4,322.58
  4. Step 4: Simplify right side
    6,315.48x = 37,629,933.59
  5. Step 5: Solve for x
    x = 37,629,933.59/6,315.48
  6. Step 6: Final answer
    x = 5,958.36

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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.