Home / 6,638.04-9,957.60-2,196.56

Finding the Fourth Proportional to 6,638.04, 9,957.60 and 2,196.56

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Solution

The fourth proportional to 6,638.04, 9,957.60 and 2,196.56 is: 3,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.04 : 9,957.60 = 2,196.56 : x
  2. Step 2: Convert to fraction form
    6,638.04/9,957.60 = 2,196.56/x
  3. Step 3: Cross multiply
    6,638.04x = 9,957.60 × 2,196.56
  4. Step 4: Simplify right side
    6,638.04x = 21,872,465.86
  5. Step 5: Solve for x
    x = 21,872,465.86/6,638.04
  6. Step 6: Final answer
    x = 3,295.02

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1.5x scale

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.