Home / 6,857.64-9,469.08-4,206.60

Finding the Fourth Proportional to 6,857.64, 9,469.08 and 4,206.60

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Solution

The fourth proportional to 6,857.64, 9,469.08 and 4,206.60 is: 5,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.64 : 9,469.08 = 4,206.60 : x
  2. Step 2: Convert to fraction form
    6,857.64/9,469.08 = 4,206.60/x
  3. Step 3: Cross multiply
    6,857.64x = 9,469.08 × 4,206.60
  4. Step 4: Simplify right side
    6,857.64x = 39,832,631.93
  5. Step 5: Solve for x
    x = 39,832,631.93/6,857.64
  6. Step 6: Final answer
    x = 5,808.50

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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.