Home / 8,484.19-12,719.68-4,039.57

Finding the Fourth Proportional to 8,484.19, 12,719.68 and 4,039.57

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Solution

The fourth proportional to 8,484.19, 12,719.68 and 4,039.57 is: 6,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.19 : 12,719.68 = 4,039.57 : x
  2. Step 2: Convert to fraction form
    8,484.19/12,719.68 = 4,039.57/x
  3. Step 3: Cross multiply
    8,484.19x = 12,719.68 × 4,039.57
  4. Step 4: Simplify right side
    8,484.19x = 51,382,066.26
  5. Step 5: Solve for x
    x = 51,382,066.26/8,484.19
  6. Step 6: Final answer
    x = 6,056.21

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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.