Home / 5,541.36-8,311.95-2,621.76

Finding the Fourth Proportional to 5,541.36, 8,311.95 and 2,621.76

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Solution

The fourth proportional to 5,541.36, 8,311.95 and 2,621.76 is: 3,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.36 : 8,311.95 = 2,621.76 : x
  2. Step 2: Convert to fraction form
    5,541.36/8,311.95 = 2,621.76/x
  3. Step 3: Cross multiply
    5,541.36x = 8,311.95 × 2,621.76
  4. Step 4: Simplify right side
    5,541.36x = 21,791,938.03
  5. Step 5: Solve for x
    x = 21,791,938.03/5,541.36
  6. Step 6: Final answer
    x = 3,932.60

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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.