Home / 5,386.94-8,079.51-1,491.74

Finding the Fourth Proportional to 5,386.94, 8,079.51 and 1,491.74

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Solution

The fourth proportional to 5,386.94, 8,079.51 and 1,491.74 is: 2,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.94 : 8,079.51 = 1,491.74 : x
  2. Step 2: Convert to fraction form
    5,386.94/8,079.51 = 1,491.74/x
  3. Step 3: Cross multiply
    5,386.94x = 8,079.51 × 1,491.74
  4. Step 4: Simplify right side
    5,386.94x = 12,052,528.25
  5. Step 5: Solve for x
    x = 12,052,528.25/5,386.94
  6. Step 6: Final answer
    x = 2,237.36

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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.