Home / 5,180.18-7,768.59-1,716.50

Finding the Fourth Proportional to 5,180.18, 7,768.59 and 1,716.50

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Solution

The fourth proportional to 5,180.18, 7,768.59 and 1,716.50 is: 2,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.18 : 7,768.59 = 1,716.50 : x
  2. Step 2: Convert to fraction form
    5,180.18/7,768.59 = 1,716.50/x
  3. Step 3: Cross multiply
    5,180.18x = 7,768.59 × 1,716.50
  4. Step 4: Simplify right side
    5,180.18x = 13,334,784.74
  5. Step 5: Solve for x
    x = 13,334,784.74/5,180.18
  6. Step 6: Final answer
    x = 2,574.19

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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.