Home / 4,590.60-6,885.84-1,127.82

Finding the Fourth Proportional to 4,590.60, 6,885.84 and 1,127.82

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Solution

The fourth proportional to 4,590.60, 6,885.84 and 1,127.82 is: 1,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.60 : 6,885.84 = 1,127.82 : x
  2. Step 2: Convert to fraction form
    4,590.60/6,885.84 = 1,127.82/x
  3. Step 3: Cross multiply
    4,590.60x = 6,885.84 × 1,127.82
  4. Step 4: Simplify right side
    4,590.60x = 7,765,988.07
  5. Step 5: Solve for x
    x = 7,765,988.07/4,590.60
  6. Step 6: Final answer
    x = 1,691.72

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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.