Home / 4,608.30-6,911.25-1,320.62

Finding the Fourth Proportional to 4,608.30, 6,911.25 and 1,320.62

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Solution

The fourth proportional to 4,608.30, 6,911.25 and 1,320.62 is: 1,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.30 : 6,911.25 = 1,320.62 : x
  2. Step 2: Convert to fraction form
    4,608.30/6,911.25 = 1,320.62/x
  3. Step 3: Cross multiply
    4,608.30x = 6,911.25 × 1,320.62
  4. Step 4: Simplify right side
    4,608.30x = 9,127,141.77
  5. Step 5: Solve for x
    x = 9,127,141.77/4,608.30
  6. Step 6: Final answer
    x = 1,980.59

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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.