Home / 5,518.13-8,271.72-2,591.19

Finding the Fourth Proportional to 5,518.13, 8,271.72 and 2,591.19

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Solution

The fourth proportional to 5,518.13, 8,271.72 and 2,591.19 is: 3,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.13 : 8,271.72 = 2,591.19 : x
  2. Step 2: Convert to fraction form
    5,518.13/8,271.72 = 2,591.19/x
  3. Step 3: Cross multiply
    5,518.13x = 8,271.72 × 2,591.19
  4. Step 4: Simplify right side
    5,518.13x = 21,433,598.15
  5. Step 5: Solve for x
    x = 21,433,598.15/5,518.13
  6. Step 6: Final answer
    x = 3,884.22

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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.