Home / 4,318.74-6,479.07-1,240.50

Finding the Fourth Proportional to 4,318.74, 6,479.07 and 1,240.50

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Solution

The fourth proportional to 4,318.74, 6,479.07 and 1,240.50 is: 1,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.74 : 6,479.07 = 1,240.50 : x
  2. Step 2: Convert to fraction form
    4,318.74/6,479.07 = 1,240.50/x
  3. Step 3: Cross multiply
    4,318.74x = 6,479.07 × 1,240.50
  4. Step 4: Simplify right side
    4,318.74x = 8,037,286.34
  5. Step 5: Solve for x
    x = 8,037,286.34/4,318.74
  6. Step 6: Final answer
    x = 1,861.03

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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.