Home / 5,789.08-7,988.92-3,136.50

Finding the Fourth Proportional to 5,789.08, 7,988.92 and 3,136.50

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Solution

The fourth proportional to 5,789.08, 7,988.92 and 3,136.50 is: 4,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.08 : 7,988.92 = 3,136.50 : x
  2. Step 2: Convert to fraction form
    5,789.08/7,988.92 = 3,136.50/x
  3. Step 3: Cross multiply
    5,789.08x = 7,988.92 × 3,136.50
  4. Step 4: Simplify right side
    5,789.08x = 25,057,232.71
  5. Step 5: Solve for x
    x = 25,057,232.71/5,789.08
  6. Step 6: Final answer
    x = 4,328.36

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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.