Home / 6,621.01-9,136.80-3,788.52

Finding the Fourth Proportional to 6,621.01, 9,136.80 and 3,788.52

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Solution

The fourth proportional to 6,621.01, 9,136.80 and 3,788.52 is: 5,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.01 : 9,136.80 = 3,788.52 : x
  2. Step 2: Convert to fraction form
    6,621.01/9,136.80 = 3,788.52/x
  3. Step 3: Cross multiply
    6,621.01x = 9,136.80 × 3,788.52
  4. Step 4: Simplify right side
    6,621.01x = 34,614,949.54
  5. Step 5: Solve for x
    x = 34,614,949.54/6,621.01
  6. Step 6: Final answer
    x = 5,228.05

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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.