Home / 6,528.08-9,787.80-2,627.60

Finding the Fourth Proportional to 6,528.08, 9,787.80 and 2,627.60

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Solution

The fourth proportional to 6,528.08, 9,787.80 and 2,627.60 is: 3,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.08 : 9,787.80 = 2,627.60 : x
  2. Step 2: Convert to fraction form
    6,528.08/9,787.80 = 2,627.60/x
  3. Step 3: Cross multiply
    6,528.08x = 9,787.80 × 2,627.60
  4. Step 4: Simplify right side
    6,528.08x = 25,718,423.28
  5. Step 5: Solve for x
    x = 25,718,423.28/6,528.08
  6. Step 6: Final answer
    x = 3,939.66

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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.