Home / 4,587.76-6,881.60-1,992.56

Finding the Fourth Proportional to 4,587.76, 6,881.60 and 1,992.56

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Solution

The fourth proportional to 4,587.76, 6,881.60 and 1,992.56 is: 2,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.76 : 6,881.60 = 1,992.56 : x
  2. Step 2: Convert to fraction form
    4,587.76/6,881.60 = 1,992.56/x
  3. Step 3: Cross multiply
    4,587.76x = 6,881.60 × 1,992.56
  4. Step 4: Simplify right side
    4,587.76x = 13,712,000.90
  5. Step 5: Solve for x
    x = 13,712,000.90/4,587.76
  6. Step 6: Final answer
    x = 2,988.82

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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.