Home / 5,010.04-7,515.48-1,721.80

Finding the Fourth Proportional to 5,010.04, 7,515.48 and 1,721.80

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Solution

The fourth proportional to 5,010.04, 7,515.48 and 1,721.80 is: 2,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.04 : 7,515.48 = 1,721.80 : x
  2. Step 2: Convert to fraction form
    5,010.04/7,515.48 = 1,721.80/x
  3. Step 3: Cross multiply
    5,010.04x = 7,515.48 × 1,721.80
  4. Step 4: Simplify right side
    5,010.04x = 12,940,153.46
  5. Step 5: Solve for x
    x = 12,940,153.46/5,010.04
  6. Step 6: Final answer
    x = 2,582.84

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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.