Home / 6,415.64-9,624.46-2,717.90

Finding the Fourth Proportional to 6,415.64, 9,624.46 and 2,717.90

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Solution

The fourth proportional to 6,415.64, 9,624.46 and 2,717.90 is: 4,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.64 : 9,624.46 = 2,717.90 : x
  2. Step 2: Convert to fraction form
    6,415.64/9,624.46 = 2,717.90/x
  3. Step 3: Cross multiply
    6,415.64x = 9,624.46 × 2,717.90
  4. Step 4: Simplify right side
    6,415.64x = 26,158,319.83
  5. Step 5: Solve for x
    x = 26,158,319.83/6,415.64
  6. Step 6: Final answer
    x = 4,077.27

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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.