Home / 5,155.98-7,097.19-4,491.68

Finding the Fourth Proportional to 5,155.98, 7,097.19 and 4,491.68

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Solution

The fourth proportional to 5,155.98, 7,097.19 and 4,491.68 is: 6,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.98 : 7,097.19 = 4,491.68 : x
  2. Step 2: Convert to fraction form
    5,155.98/7,097.19 = 4,491.68/x
  3. Step 3: Cross multiply
    5,155.98x = 7,097.19 × 4,491.68
  4. Step 4: Simplify right side
    5,155.98x = 31,878,248.43
  5. Step 5: Solve for x
    x = 31,878,248.43/5,155.98
  6. Step 6: Final answer
    x = 6,182.78

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1.5x scale

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.