Home / 5,089.76-7,633.68-1,802.78

Finding the Fourth Proportional to 5,089.76, 7,633.68 and 1,802.78

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Solution

The fourth proportional to 5,089.76, 7,633.68 and 1,802.78 is: 2,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.76 : 7,633.68 = 1,802.78 : x
  2. Step 2: Convert to fraction form
    5,089.76/7,633.68 = 1,802.78/x
  3. Step 3: Cross multiply
    5,089.76x = 7,633.68 × 1,802.78
  4. Step 4: Simplify right side
    5,089.76x = 13,761,845.63
  5. Step 5: Solve for x
    x = 13,761,845.63/5,089.76
  6. Step 6: Final answer
    x = 2,703.83

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1.5x scale

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.