Home / 4,315.07-6,460.31-3,279.29

Finding the Fourth Proportional to 4,315.07, 6,460.31 and 3,279.29

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Solution

The fourth proportional to 4,315.07, 6,460.31 and 3,279.29 is: 4,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.07 : 6,460.31 = 3,279.29 : x
  2. Step 2: Convert to fraction form
    4,315.07/6,460.31 = 3,279.29/x
  3. Step 3: Cross multiply
    4,315.07x = 6,460.31 × 3,279.29
  4. Step 4: Simplify right side
    4,315.07x = 21,185,187.43
  5. Step 5: Solve for x
    x = 21,185,187.43/4,315.07
  6. Step 6: Final answer
    x = 4,909.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.