Home / 4,607.91-6,911.60-1,487.79

Finding the Fourth Proportional to 4,607.91, 6,911.60 and 1,487.79

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Solution

The fourth proportional to 4,607.91, 6,911.60 and 1,487.79 is: 2,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.91 : 6,911.60 = 1,487.79 : x
  2. Step 2: Convert to fraction form
    4,607.91/6,911.60 = 1,487.79/x
  3. Step 3: Cross multiply
    4,607.91x = 6,911.60 × 1,487.79
  4. Step 4: Simplify right side
    4,607.91x = 10,283,001.93
  5. Step 5: Solve for x
    x = 10,283,001.93/4,607.91
  6. Step 6: Final answer
    x = 2,231.60

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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.