Home / 4,395.21-6,591.76-1,274.38

Finding the Fourth Proportional to 4,395.21, 6,591.76 and 1,274.38

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Solution

The fourth proportional to 4,395.21, 6,591.76 and 1,274.38 is: 1,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.21 : 6,591.76 = 1,274.38 : x
  2. Step 2: Convert to fraction form
    4,395.21/6,591.76 = 1,274.38/x
  3. Step 3: Cross multiply
    4,395.21x = 6,591.76 × 1,274.38
  4. Step 4: Simplify right side
    4,395.21x = 8,400,407.11
  5. Step 5: Solve for x
    x = 8,400,407.11/4,395.21
  6. Step 6: Final answer
    x = 1,911.26

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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.