Home / 4,581.69-6,869.70-3,116.40

Finding the Fourth Proportional to 4,581.69, 6,869.70 and 3,116.40

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Solution

The fourth proportional to 4,581.69, 6,869.70 and 3,116.40 is: 4,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.69 : 6,869.70 = 3,116.40 : x
  2. Step 2: Convert to fraction form
    4,581.69/6,869.70 = 3,116.40/x
  3. Step 3: Cross multiply
    4,581.69x = 6,869.70 × 3,116.40
  4. Step 4: Simplify right side
    4,581.69x = 21,408,733.08
  5. Step 5: Solve for x
    x = 21,408,733.08/4,581.69
  6. Step 6: Final answer
    x = 4,672.67

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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.