Home / 5,090.57-7,633.29-1,803.20

Finding the Fourth Proportional to 5,090.57, 7,633.29 and 1,803.20

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Solution

The fourth proportional to 5,090.57, 7,633.29 and 1,803.20 is: 2,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.57 : 7,633.29 = 1,803.20 : x
  2. Step 2: Convert to fraction form
    5,090.57/7,633.29 = 1,803.20/x
  3. Step 3: Cross multiply
    5,090.57x = 7,633.29 × 1,803.20
  4. Step 4: Simplify right side
    5,090.57x = 13,764,348.53
  5. Step 5: Solve for x
    x = 13,764,348.53/5,090.57
  6. Step 6: Final answer
    x = 2,703.89

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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.