Home / 5,140.41-7,708.80-1,852.62

Finding the Fourth Proportional to 5,140.41, 7,708.80 and 1,852.62

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Solution

The fourth proportional to 5,140.41, 7,708.80 and 1,852.62 is: 2,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.41 : 7,708.80 = 1,852.62 : x
  2. Step 2: Convert to fraction form
    5,140.41/7,708.80 = 1,852.62/x
  3. Step 3: Cross multiply
    5,140.41x = 7,708.80 × 1,852.62
  4. Step 4: Simplify right side
    5,140.41x = 14,281,477.06
  5. Step 5: Solve for x
    x = 14,281,477.06/5,140.41
  6. Step 6: Final answer
    x = 2,778.28

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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.