Home / 5,011.69-7,515.77-1,724.01

Finding the Fourth Proportional to 5,011.69, 7,515.77 and 1,724.01

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Solution

The fourth proportional to 5,011.69, 7,515.77 and 1,724.01 is: 2,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.69 : 7,515.77 = 1,724.01 : x
  2. Step 2: Convert to fraction form
    5,011.69/7,515.77 = 1,724.01/x
  3. Step 3: Cross multiply
    5,011.69x = 7,515.77 × 1,724.01
  4. Step 4: Simplify right side
    5,011.69x = 12,957,262.64
  5. Step 5: Solve for x
    x = 12,957,262.64/5,011.69
  6. Step 6: Final answer
    x = 2,585.41

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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.