Home / 6,712.28-10,071.42-3,423.64

Finding the Fourth Proportional to 6,712.28, 10,071.42 and 3,423.64

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Solution

The fourth proportional to 6,712.28, 10,071.42 and 3,423.64 is: 5,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.28 : 10,071.42 = 3,423.64 : x
  2. Step 2: Convert to fraction form
    6,712.28/10,071.42 = 3,423.64/x
  3. Step 3: Cross multiply
    6,712.28x = 10,071.42 × 3,423.64
  4. Step 4: Simplify right side
    6,712.28x = 34,480,916.37
  5. Step 5: Solve for x
    x = 34,480,916.37/6,712.28
  6. Step 6: Final answer
    x = 5,136.99

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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.