Home / 5,386.44-8,079.70-1,491.14

Finding the Fourth Proportional to 5,386.44, 8,079.70 and 1,491.14

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Solution

The fourth proportional to 5,386.44, 8,079.70 and 1,491.14 is: 2,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.44 : 8,079.70 = 1,491.14 : x
  2. Step 2: Convert to fraction form
    5,386.44/8,079.70 = 1,491.14/x
  3. Step 3: Cross multiply
    5,386.44x = 8,079.70 × 1,491.14
  4. Step 4: Simplify right side
    5,386.44x = 12,047,963.86
  5. Step 5: Solve for x
    x = 12,047,963.86/5,386.44
  6. Step 6: Final answer
    x = 2,236.72

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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.