Home / 6,861.47-10,294.90-2,913.59

Finding the Fourth Proportional to 6,861.47, 10,294.90 and 2,913.59

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Solution

The fourth proportional to 6,861.47, 10,294.90 and 2,913.59 is: 4,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.47 : 10,294.90 = 2,913.59 : x
  2. Step 2: Convert to fraction form
    6,861.47/10,294.90 = 2,913.59/x
  3. Step 3: Cross multiply
    6,861.47x = 10,294.90 × 2,913.59
  4. Step 4: Simplify right side
    6,861.47x = 29,995,136.14
  5. Step 5: Solve for x
    x = 29,995,136.14/6,861.47
  6. Step 6: Final answer
    x = 4,371.54

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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.