Home / 8,429.05-11,636.46-6,157.84

Finding the Fourth Proportional to 8,429.05, 11,636.46 and 6,157.84

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Solution

The fourth proportional to 8,429.05, 11,636.46 and 6,157.84 is: 8,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.05 : 11,636.46 = 6,157.84 : x
  2. Step 2: Convert to fraction form
    8,429.05/11,636.46 = 6,157.84/x
  3. Step 3: Cross multiply
    8,429.05x = 11,636.46 × 6,157.84
  4. Step 4: Simplify right side
    8,429.05x = 71,655,369.87
  5. Step 5: Solve for x
    x = 71,655,369.87/8,429.05
  6. Step 6: Final answer
    x = 8,501.01

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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.