Home / 7,421.24-11,136.18-2,804.60

Finding the Fourth Proportional to 7,421.24, 11,136.18 and 2,804.60

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Solution

The fourth proportional to 7,421.24, 11,136.18 and 2,804.60 is: 4,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.24 : 11,136.18 = 2,804.60 : x
  2. Step 2: Convert to fraction form
    7,421.24/11,136.18 = 2,804.60/x
  3. Step 3: Cross multiply
    7,421.24x = 11,136.18 × 2,804.60
  4. Step 4: Simplify right side
    7,421.24x = 31,232,530.43
  5. Step 5: Solve for x
    x = 31,232,530.43/7,421.24
  6. Step 6: Final answer
    x = 4,208.53

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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.