Home / 4,405.65-6,078.22-2,515.87

Finding the Fourth Proportional to 4,405.65, 6,078.22 and 2,515.87

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Solution

The fourth proportional to 4,405.65, 6,078.22 and 2,515.87 is: 3,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.65 : 6,078.22 = 2,515.87 : x
  2. Step 2: Convert to fraction form
    4,405.65/6,078.22 = 2,515.87/x
  3. Step 3: Cross multiply
    4,405.65x = 6,078.22 × 2,515.87
  4. Step 4: Simplify right side
    4,405.65x = 15,292,011.35
  5. Step 5: Solve for x
    x = 15,292,011.35/4,405.65
  6. Step 6: Final answer
    x = 3,471.00

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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.