Home / 4,285.74-6,429.12-1,511.83

Finding the Fourth Proportional to 4,285.74, 6,429.12 and 1,511.83

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Solution

The fourth proportional to 4,285.74, 6,429.12 and 1,511.83 is: 2,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.74 : 6,429.12 = 1,511.83 : x
  2. Step 2: Convert to fraction form
    4,285.74/6,429.12 = 1,511.83/x
  3. Step 3: Cross multiply
    4,285.74x = 6,429.12 × 1,511.83
  4. Step 4: Simplify right side
    4,285.74x = 9,719,736.49
  5. Step 5: Solve for x
    x = 9,719,736.49/4,285.74
  6. Step 6: Final answer
    x = 2,267.92

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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.