Home / 8,090.08-12,130.77-4,759.48

Finding the Fourth Proportional to 8,090.08, 12,130.77 and 4,759.48

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Solution

The fourth proportional to 8,090.08, 12,130.77 and 4,759.48 is: 7,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.08 : 12,130.77 = 4,759.48 : x
  2. Step 2: Convert to fraction form
    8,090.08/12,130.77 = 4,759.48/x
  3. Step 3: Cross multiply
    8,090.08x = 12,130.77 × 4,759.48
  4. Step 4: Simplify right side
    8,090.08x = 57,736,157.20
  5. Step 5: Solve for x
    x = 57,736,157.20/8,090.08
  6. Step 6: Final answer
    x = 7,136.66

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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.