Home / 10,583.36-15,875.04-2,792.78

Finding the Fourth Proportional to 10,583.36, 15,875.04 and 2,792.78

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Solution

The fourth proportional to 10,583.36, 15,875.04 and 2,792.78 is: 4,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.36 : 15,875.04 = 2,792.78 : x
  2. Step 2: Convert to fraction form
    10,583.36/15,875.04 = 2,792.78/x
  3. Step 3: Cross multiply
    10,583.36x = 15,875.04 × 2,792.78
  4. Step 4: Simplify right side
    10,583.36x = 44,335,494.21
  5. Step 5: Solve for x
    x = 44,335,494.21/10,583.36
  6. Step 6: Final answer
    x = 4,189.17

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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.