Home / 4,378.63-6,567.96-1,091.72

Finding the Fourth Proportional to 4,378.63, 6,567.96 and 1,091.72

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Solution

The fourth proportional to 4,378.63, 6,567.96 and 1,091.72 is: 1,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.63 : 6,567.96 = 1,091.72 : x
  2. Step 2: Convert to fraction form
    4,378.63/6,567.96 = 1,091.72/x
  3. Step 3: Cross multiply
    4,378.63x = 6,567.96 × 1,091.72
  4. Step 4: Simplify right side
    4,378.63x = 7,170,373.29
  5. Step 5: Solve for x
    x = 7,170,373.29/4,378.63
  6. Step 6: Final answer
    x = 1,637.58

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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.