Home / 8,916.03-13,377.15-3,986.19

Finding the Fourth Proportional to 8,916.03, 13,377.15 and 3,986.19

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Solution

The fourth proportional to 8,916.03, 13,377.15 and 3,986.19 is: 5,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.03 : 13,377.15 = 3,986.19 : x
  2. Step 2: Convert to fraction form
    8,916.03/13,377.15 = 3,986.19/x
  3. Step 3: Cross multiply
    8,916.03x = 13,377.15 × 3,986.19
  4. Step 4: Simplify right side
    8,916.03x = 53,323,861.56
  5. Step 5: Solve for x
    x = 53,323,861.56/8,916.03
  6. Step 6: Final answer
    x = 5,980.67

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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.