Home / 8,090.88-12,159.36-4,804.80

Finding the Fourth Proportional to 8,090.88, 12,159.36 and 4,804.80

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Solution

The fourth proportional to 8,090.88, 12,159.36 and 4,804.80 is: 7,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.88 : 12,159.36 = 4,804.80 : x
  2. Step 2: Convert to fraction form
    8,090.88/12,159.36 = 4,804.80/x
  3. Step 3: Cross multiply
    8,090.88x = 12,159.36 × 4,804.80
  4. Step 4: Simplify right side
    8,090.88x = 58,423,292.93
  5. Step 5: Solve for x
    x = 58,423,292.93/8,090.88
  6. Step 6: Final answer
    x = 7,220.88

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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.