Home / 5,090.90-7,633.58-1,579.96

Finding the Fourth Proportional to 5,090.90, 7,633.58 and 1,579.96

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Solution

The fourth proportional to 5,090.90, 7,633.58 and 1,579.96 is: 2,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.90 : 7,633.58 = 1,579.96 : x
  2. Step 2: Convert to fraction form
    5,090.90/7,633.58 = 1,579.96/x
  3. Step 3: Cross multiply
    5,090.90x = 7,633.58 × 1,579.96
  4. Step 4: Simplify right side
    5,090.90x = 12,060,712.89
  5. Step 5: Solve for x
    x = 12,060,712.89/5,090.90
  6. Step 6: Final answer
    x = 2,369.07

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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.