Home / 5,528.67-8,311.23-5,122.86

Finding the Fourth Proportional to 5,528.67, 8,311.23 and 5,122.86

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Solution

The fourth proportional to 5,528.67, 8,311.23 and 5,122.86 is: 7,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.67 : 8,311.23 = 5,122.86 : x
  2. Step 2: Convert to fraction form
    5,528.67/8,311.23 = 5,122.86/x
  3. Step 3: Cross multiply
    5,528.67x = 8,311.23 × 5,122.86
  4. Step 4: Simplify right side
    5,528.67x = 42,577,267.72
  5. Step 5: Solve for x
    x = 42,577,267.72/5,528.67
  6. Step 6: Final answer
    x = 7,701.18

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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.