Home / 6,480.24-9,719.88-2,585.52

Finding the Fourth Proportional to 6,480.24, 9,719.88 and 2,585.52

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Solution

The fourth proportional to 6,480.24, 9,719.88 and 2,585.52 is: 3,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.24 : 9,719.88 = 2,585.52 : x
  2. Step 2: Convert to fraction form
    6,480.24/9,719.88 = 2,585.52/x
  3. Step 3: Cross multiply
    6,480.24x = 9,719.88 × 2,585.52
  4. Step 4: Simplify right side
    6,480.24x = 25,130,944.14
  5. Step 5: Solve for x
    x = 25,130,944.14/6,480.24
  6. Step 6: Final answer
    x = 3,878.09

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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.