Home / 5,429.16-8,143.74-2,507.09

Finding the Fourth Proportional to 5,429.16, 8,143.74 and 2,507.09

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Solution

The fourth proportional to 5,429.16, 8,143.74 and 2,507.09 is: 3,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.16 : 8,143.74 = 2,507.09 : x
  2. Step 2: Convert to fraction form
    5,429.16/8,143.74 = 2,507.09/x
  3. Step 3: Cross multiply
    5,429.16x = 8,143.74 × 2,507.09
  4. Step 4: Simplify right side
    5,429.16x = 20,417,048.40
  5. Step 5: Solve for x
    x = 20,417,048.40/5,429.16
  6. Step 6: Final answer
    x = 3,760.63

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Similar ratio
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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.