Home / 5,037.60-7,555.14-2,118

Finding the Fourth Proportional to 5,037.60, 7,555.14 and 2,118

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Solution

The fourth proportional to 5,037.60, 7,555.14 and 2,118 is: 3,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.60 : 7,555.14 = 2,118 : x
  2. Step 2: Convert to fraction form
    5,037.60/7,555.14 = 2,118/x
  3. Step 3: Cross multiply
    5,037.60x = 7,555.14 × 2,118
  4. Step 4: Simplify right side
    5,037.60x = 16,001,786.52
  5. Step 5: Solve for x
    x = 16,001,786.52/5,037.60
  6. Step 6: Final answer
    x = 3,176.47

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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.