Home / 6,099.87-8,398.58-5,381.21

Finding the Fourth Proportional to 6,099.87, 8,398.58 and 5,381.21

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Solution

The fourth proportional to 6,099.87, 8,398.58 and 5,381.21 is: 7,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,099.87 : 8,398.58 = 5,381.21 : x
  2. Step 2: Convert to fraction form
    6,099.87/8,398.58 = 5,381.21/x
  3. Step 3: Cross multiply
    6,099.87x = 8,398.58 × 5,381.21
  4. Step 4: Simplify right side
    6,099.87x = 45,194,453.78
  5. Step 5: Solve for x
    x = 45,194,453.78/6,099.87
  6. Step 6: Final answer
    x = 7,409.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.