Home / 8,090.52-12,136.08-3,647.32

Finding the Fourth Proportional to 8,090.52, 12,136.08 and 3,647.32

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Solution

The fourth proportional to 8,090.52, 12,136.08 and 3,647.32 is: 5,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.52 : 12,136.08 = 3,647.32 : x
  2. Step 2: Convert to fraction form
    8,090.52/12,136.08 = 3,647.32/x
  3. Step 3: Cross multiply
    8,090.52x = 12,136.08 × 3,647.32
  4. Step 4: Simplify right side
    8,090.52x = 44,264,113.06
  5. Step 5: Solve for x
    x = 44,264,113.06/8,090.52
  6. Step 6: Final answer
    x = 5,471.11

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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.