Home / 4,255.32-6,386.93-2,176.81

Finding the Fourth Proportional to 4,255.32, 6,386.93 and 2,176.81

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Solution

The fourth proportional to 4,255.32, 6,386.93 and 2,176.81 is: 3,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.32 : 6,386.93 = 2,176.81 : x
  2. Step 2: Convert to fraction form
    4,255.32/6,386.93 = 2,176.81/x
  3. Step 3: Cross multiply
    4,255.32x = 6,386.93 × 2,176.81
  4. Step 4: Simplify right side
    4,255.32x = 13,903,133.09
  5. Step 5: Solve for x
    x = 13,903,133.09/4,255.32
  6. Step 6: Final answer
    x = 3,267.24

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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.