Home / 5,622.40-8,423.06-4,703.86

Finding the Fourth Proportional to 5,622.40, 8,423.06 and 4,703.86

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Solution

The fourth proportional to 5,622.40, 8,423.06 and 4,703.86 is: 7,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.40 : 8,423.06 = 4,703.86 : x
  2. Step 2: Convert to fraction form
    5,622.40/8,423.06 = 4,703.86/x
  3. Step 3: Cross multiply
    5,622.40x = 8,423.06 × 4,703.86
  4. Step 4: Simplify right side
    5,622.40x = 39,620,895.01
  5. Step 5: Solve for x
    x = 39,620,895.01/5,622.40
  6. Step 6: Final answer
    x = 7,046.97

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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.