Home / 4,281.20-6,423.86-2,088.73

Finding the Fourth Proportional to 4,281.20, 6,423.86 and 2,088.73

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Solution

The fourth proportional to 4,281.20, 6,423.86 and 2,088.73 is: 3,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.20 : 6,423.86 = 2,088.73 : x
  2. Step 2: Convert to fraction form
    4,281.20/6,423.86 = 2,088.73/x
  3. Step 3: Cross multiply
    4,281.20x = 6,423.86 × 2,088.73
  4. Step 4: Simplify right side
    4,281.20x = 13,417,709.10
  5. Step 5: Solve for x
    x = 13,417,709.10/4,281.20
  6. Step 6: Final answer
    x = 3,134.10

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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.