Home / 4,469.76-6,700.80-2,158.08

Finding the Fourth Proportional to 4,469.76, 6,700.80 and 2,158.08

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Solution

The fourth proportional to 4,469.76, 6,700.80 and 2,158.08 is: 3,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.76 : 6,700.80 = 2,158.08 : x
  2. Step 2: Convert to fraction form
    4,469.76/6,700.80 = 2,158.08/x
  3. Step 3: Cross multiply
    4,469.76x = 6,700.80 × 2,158.08
  4. Step 4: Simplify right side
    4,469.76x = 14,460,862.46
  5. Step 5: Solve for x
    x = 14,460,862.46/4,469.76
  6. Step 6: Final answer
    x = 3,235.27

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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.