Home / 4,187.64-6,281.50-1,265.96

Finding the Fourth Proportional to 4,187.64, 6,281.50 and 1,265.96

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Solution

The fourth proportional to 4,187.64, 6,281.50 and 1,265.96 is: 1,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.64 : 6,281.50 = 1,265.96 : x
  2. Step 2: Convert to fraction form
    4,187.64/6,281.50 = 1,265.96/x
  3. Step 3: Cross multiply
    4,187.64x = 6,281.50 × 1,265.96
  4. Step 4: Simplify right side
    4,187.64x = 7,952,127.74
  5. Step 5: Solve for x
    x = 7,952,127.74/4,187.64
  6. Step 6: Final answer
    x = 1,898.95

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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.