Home / 8,359.18-12,534.84-3,090.55

Finding the Fourth Proportional to 8,359.18, 12,534.84 and 3,090.55

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Solution

The fourth proportional to 8,359.18, 12,534.84 and 3,090.55 is: 4,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.18 : 12,534.84 = 3,090.55 : x
  2. Step 2: Convert to fraction form
    8,359.18/12,534.84 = 3,090.55/x
  3. Step 3: Cross multiply
    8,359.18x = 12,534.84 × 3,090.55
  4. Step 4: Simplify right side
    8,359.18x = 38,739,549.76
  5. Step 5: Solve for x
    x = 38,739,549.76/8,359.18
  6. Step 6: Final answer
    x = 4,634.37

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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.