Home / 4,185.60-6,277.86-1,264.08

Finding the Fourth Proportional to 4,185.60, 6,277.86 and 1,264.08

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Solution

The fourth proportional to 4,185.60, 6,277.86 and 1,264.08 is: 1,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.60 : 6,277.86 = 1,264.08 : x
  2. Step 2: Convert to fraction form
    4,185.60/6,277.86 = 1,264.08/x
  3. Step 3: Cross multiply
    4,185.60x = 6,277.86 × 1,264.08
  4. Step 4: Simplify right side
    4,185.60x = 7,935,717.27
  5. Step 5: Solve for x
    x = 7,935,717.27/4,185.60
  6. Step 6: Final answer
    x = 1,895.96

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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.