Home / 4,405.12-6,078.66-2,415.71

Finding the Fourth Proportional to 4,405.12, 6,078.66 and 2,415.71

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Solution

The fourth proportional to 4,405.12, 6,078.66 and 2,415.71 is: 3,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.12 : 6,078.66 = 2,415.71 : x
  2. Step 2: Convert to fraction form
    4,405.12/6,078.66 = 2,415.71/x
  3. Step 3: Cross multiply
    4,405.12x = 6,078.66 × 2,415.71
  4. Step 4: Simplify right side
    4,405.12x = 14,684,279.75
  5. Step 5: Solve for x
    x = 14,684,279.75/4,405.12
  6. Step 6: Final answer
    x = 3,333.46

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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.