Home / 4,358.80-6,528.60-3,872.40

Finding the Fourth Proportional to 4,358.80, 6,528.60 and 3,872.40

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Solution

The fourth proportional to 4,358.80, 6,528.60 and 3,872.40 is: 5,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.80 : 6,528.60 = 3,872.40 : x
  2. Step 2: Convert to fraction form
    4,358.80/6,528.60 = 3,872.40/x
  3. Step 3: Cross multiply
    4,358.80x = 6,528.60 × 3,872.40
  4. Step 4: Simplify right side
    4,358.80x = 25,281,350.64
  5. Step 5: Solve for x
    x = 25,281,350.64/4,358.80
  6. Step 6: Final answer
    x = 5,800.07

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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.