Home / 4,031.40-6,039.90-3,455.40

Finding the Fourth Proportional to 4,031.40, 6,039.90 and 3,455.40

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Solution

The fourth proportional to 4,031.40, 6,039.90 and 3,455.40 is: 5,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.40 : 6,039.90 = 3,455.40 : x
  2. Step 2: Convert to fraction form
    4,031.40/6,039.90 = 3,455.40/x
  3. Step 3: Cross multiply
    4,031.40x = 6,039.90 × 3,455.40
  4. Step 4: Simplify right side
    4,031.40x = 20,870,270.46
  5. Step 5: Solve for x
    x = 20,870,270.46/4,031.40
  6. Step 6: Final answer
    x = 5,176.93

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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.