Home / 6,621.04-9,136.58-3,637.00

Finding the Fourth Proportional to 6,621.04, 9,136.58 and 3,637.00

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Solution

The fourth proportional to 6,621.04, 9,136.58 and 3,637.00 is: 5,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.04 : 9,136.58 = 3,637.00 : x
  2. Step 2: Convert to fraction form
    6,621.04/9,136.58 = 3,637.00/x
  3. Step 3: Cross multiply
    6,621.04x = 9,136.58 × 3,637.00
  4. Step 4: Simplify right side
    6,621.04x = 33,229,695.78
  5. Step 5: Solve for x
    x = 33,229,695.78/6,621.04
  6. Step 6: Final answer
    x = 5,018.81

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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.