Home / 4,405.15-6,079.12-2,415.72

Finding the Fourth Proportional to 4,405.15, 6,079.12 and 2,415.72

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Solution

The fourth proportional to 4,405.15, 6,079.12 and 2,415.72 is: 3,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.15 : 6,079.12 = 2,415.72 : x
  2. Step 2: Convert to fraction form
    4,405.15/6,079.12 = 2,415.72/x
  3. Step 3: Cross multiply
    4,405.15x = 6,079.12 × 2,415.72
  4. Step 4: Simplify right side
    4,405.15x = 14,685,473.62
  5. Step 5: Solve for x
    x = 14,685,473.62/4,405.15
  6. Step 6: Final answer
    x = 3,333.70

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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.