Home / 4,257.30-6,385.36-1,624.08

Finding the Fourth Proportional to 4,257.30, 6,385.36 and 1,624.08

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Solution

The fourth proportional to 4,257.30, 6,385.36 and 1,624.08 is: 2,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.30 : 6,385.36 = 1,624.08 : x
  2. Step 2: Convert to fraction form
    4,257.30/6,385.36 = 1,624.08/x
  3. Step 3: Cross multiply
    4,257.30x = 6,385.36 × 1,624.08
  4. Step 4: Simplify right side
    4,257.30x = 10,370,335.47
  5. Step 5: Solve for x
    x = 10,370,335.47/4,257.30
  6. Step 6: Final answer
    x = 2,435.89

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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.