Home / 5,386.92-8,080.37-1,491.32

Finding the Fourth Proportional to 5,386.92, 8,080.37 and 1,491.32

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Solution

The fourth proportional to 5,386.92, 8,080.37 and 1,491.32 is: 2,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.92 : 8,080.37 = 1,491.32 : x
  2. Step 2: Convert to fraction form
    5,386.92/8,080.37 = 1,491.32/x
  3. Step 3: Cross multiply
    5,386.92x = 8,080.37 × 1,491.32
  4. Step 4: Simplify right side
    5,386.92x = 12,050,369.53
  5. Step 5: Solve for x
    x = 12,050,369.53/5,386.92
  6. Step 6: Final answer
    x = 2,236.97

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1.5x scale

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.