Home / 5,491.19-7,576.13-3,132.88

Finding the Fourth Proportional to 5,491.19, 7,576.13 and 3,132.88

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Solution

The fourth proportional to 5,491.19, 7,576.13 and 3,132.88 is: 4,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.19 : 7,576.13 = 3,132.88 : x
  2. Step 2: Convert to fraction form
    5,491.19/7,576.13 = 3,132.88/x
  3. Step 3: Cross multiply
    5,491.19x = 7,576.13 × 3,132.88
  4. Step 4: Simplify right side
    5,491.19x = 23,735,095.05
  5. Step 5: Solve for x
    x = 23,735,095.05/5,491.19
  6. Step 6: Final answer
    x = 4,322.39

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Find fourth proportional to 2,745.60, 3,788.07 and 1,566.44
Half scale
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Double scale
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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.