Home / 6,139.60-8,469.03-4,345.06

Finding the Fourth Proportional to 6,139.60, 8,469.03 and 4,345.06

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Solution

The fourth proportional to 6,139.60, 8,469.03 and 4,345.06 is: 5,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.60 : 8,469.03 = 4,345.06 : x
  2. Step 2: Convert to fraction form
    6,139.60/8,469.03 = 4,345.06/x
  3. Step 3: Cross multiply
    6,139.60x = 8,469.03 × 4,345.06
  4. Step 4: Simplify right side
    6,139.60x = 36,798,443.49
  5. Step 5: Solve for x
    x = 36,798,443.49/6,139.60
  6. Step 6: Final answer
    x = 5,993.62

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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.