Home / 5,619.36-7,752.87-3,631.10

Finding the Fourth Proportional to 5,619.36, 7,752.87 and 3,631.10

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Solution

The fourth proportional to 5,619.36, 7,752.87 and 3,631.10 is: 5,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.36 : 7,752.87 = 3,631.10 : x
  2. Step 2: Convert to fraction form
    5,619.36/7,752.87 = 3,631.10/x
  3. Step 3: Cross multiply
    5,619.36x = 7,752.87 × 3,631.10
  4. Step 4: Simplify right side
    5,619.36x = 28,151,407.49
  5. Step 5: Solve for x
    x = 28,151,407.49/5,619.36
  6. Step 6: Final answer
    x = 5,009.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.