Home / 6,900.60-9,523.08-4,069.92

Finding the Fourth Proportional to 6,900.60, 9,523.08 and 4,069.92

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Solution

The fourth proportional to 6,900.60, 9,523.08 and 4,069.92 is: 5,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.60 : 9,523.08 = 4,069.92 : x
  2. Step 2: Convert to fraction form
    6,900.60/9,523.08 = 4,069.92/x
  3. Step 3: Cross multiply
    6,900.60x = 9,523.08 × 4,069.92
  4. Step 4: Simplify right side
    6,900.60x = 38,758,173.75
  5. Step 5: Solve for x
    x = 38,758,173.75/6,900.60
  6. Step 6: Final answer
    x = 5,616.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.