Home / 6,480.05-9,719.01-2,319.35

Finding the Fourth Proportional to 6,480.05, 9,719.01 and 2,319.35

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Solution

The fourth proportional to 6,480.05, 9,719.01 and 2,319.35 is: 3,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.05 : 9,719.01 = 2,319.35 : x
  2. Step 2: Convert to fraction form
    6,480.05/9,719.01 = 2,319.35/x
  3. Step 3: Cross multiply
    6,480.05x = 9,719.01 × 2,319.35
  4. Step 4: Simplify right side
    6,480.05x = 22,541,737.25
  5. Step 5: Solve for x
    x = 22,541,737.25/6,480.05
  6. Step 6: Final answer
    x = 3,478.64

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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.