Home / 4,475.40-6,715.40-3,386.44

Finding the Fourth Proportional to 4,475.40, 6,715.40 and 3,386.44

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Solution

The fourth proportional to 4,475.40, 6,715.40 and 3,386.44 is: 5,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.40 : 6,715.40 = 3,386.44 : x
  2. Step 2: Convert to fraction form
    4,475.40/6,715.40 = 3,386.44/x
  3. Step 3: Cross multiply
    4,475.40x = 6,715.40 × 3,386.44
  4. Step 4: Simplify right side
    4,475.40x = 22,741,299.18
  5. Step 5: Solve for x
    x = 22,741,299.18/4,475.40
  6. Step 6: Final answer
    x = 5,081.40

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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.