Home / 5,136.30-7,088.31-2,898.27

Finding the Fourth Proportional to 5,136.30, 7,088.31 and 2,898.27

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Solution

The fourth proportional to 5,136.30, 7,088.31 and 2,898.27 is: 3,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.30 : 7,088.31 = 2,898.27 : x
  2. Step 2: Convert to fraction form
    5,136.30/7,088.31 = 2,898.27/x
  3. Step 3: Cross multiply
    5,136.30x = 7,088.31 × 2,898.27
  4. Step 4: Simplify right side
    5,136.30x = 20,543,836.22
  5. Step 5: Solve for x
    x = 20,543,836.22/5,136.30
  6. Step 6: Final answer
    x = 3,999.73

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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.