Home / 5,289.18-7,282.46-4,490.86

Finding the Fourth Proportional to 5,289.18, 7,282.46 and 4,490.86

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Solution

The fourth proportional to 5,289.18, 7,282.46 and 4,490.86 is: 6,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.18 : 7,282.46 = 4,490.86 : x
  2. Step 2: Convert to fraction form
    5,289.18/7,282.46 = 4,490.86/x
  3. Step 3: Cross multiply
    5,289.18x = 7,282.46 × 4,490.86
  4. Step 4: Simplify right side
    5,289.18x = 32,704,508.32
  5. Step 5: Solve for x
    x = 32,704,508.32/5,289.18
  6. Step 6: Final answer
    x = 6,183.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.