Home / 4,090.45-6,136.08-1,492.78

Finding the Fourth Proportional to 4,090.45, 6,136.08 and 1,492.78

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Solution

The fourth proportional to 4,090.45, 6,136.08 and 1,492.78 is: 2,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.45 : 6,136.08 = 1,492.78 : x
  2. Step 2: Convert to fraction form
    4,090.45/6,136.08 = 1,492.78/x
  3. Step 3: Cross multiply
    4,090.45x = 6,136.08 × 1,492.78
  4. Step 4: Simplify right side
    4,090.45x = 9,159,817.50
  5. Step 5: Solve for x
    x = 9,159,817.50/4,090.45
  6. Step 6: Final answer
    x = 2,239.32

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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.