Home / 4,281.58-6,421.68-1,359.22

Finding the Fourth Proportional to 4,281.58, 6,421.68 and 1,359.22

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Solution

The fourth proportional to 4,281.58, 6,421.68 and 1,359.22 is: 2,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.58 : 6,421.68 = 1,359.22 : x
  2. Step 2: Convert to fraction form
    4,281.58/6,421.68 = 1,359.22/x
  3. Step 3: Cross multiply
    4,281.58x = 6,421.68 × 1,359.22
  4. Step 4: Simplify right side
    4,281.58x = 8,728,475.89
  5. Step 5: Solve for x
    x = 8,728,475.89/4,281.58
  6. Step 6: Final answer
    x = 2,038.61

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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.