Home / 7,421.94-11,136.04-3,259.80

Finding the Fourth Proportional to 7,421.94, 11,136.04 and 3,259.80

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Solution

The fourth proportional to 7,421.94, 11,136.04 and 3,259.80 is: 4,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.94 : 11,136.04 = 3,259.80 : x
  2. Step 2: Convert to fraction form
    7,421.94/11,136.04 = 3,259.80/x
  3. Step 3: Cross multiply
    7,421.94x = 11,136.04 × 3,259.80
  4. Step 4: Simplify right side
    7,421.94x = 36,301,263.19
  5. Step 5: Solve for x
    x = 36,301,263.19/7,421.94
  6. Step 6: Final answer
    x = 4,891.07

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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.