Home / 5,622.12-8,421.90-5,162.82

Finding the Fourth Proportional to 5,622.12, 8,421.90 and 5,162.82

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Solution

The fourth proportional to 5,622.12, 8,421.90 and 5,162.82 is: 7,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.12 : 8,421.90 = 5,162.82 : x
  2. Step 2: Convert to fraction form
    5,622.12/8,421.90 = 5,162.82/x
  3. Step 3: Cross multiply
    5,622.12x = 8,421.90 × 5,162.82
  4. Step 4: Simplify right side
    5,622.12x = 43,480,753.76
  5. Step 5: Solve for x
    x = 43,480,753.76/5,622.12
  6. Step 6: Final answer
    x = 7,733.87

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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.