Home / 5,393.49-8,090.21-2,428.46

Finding the Fourth Proportional to 5,393.49, 8,090.21 and 2,428.46

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Solution

The fourth proportional to 5,393.49, 8,090.21 and 2,428.46 is: 3,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.49 : 8,090.21 = 2,428.46 : x
  2. Step 2: Convert to fraction form
    5,393.49/8,090.21 = 2,428.46/x
  3. Step 3: Cross multiply
    5,393.49x = 8,090.21 × 2,428.46
  4. Step 4: Simplify right side
    5,393.49x = 19,646,737.22
  5. Step 5: Solve for x
    x = 19,646,737.22/5,393.49
  6. Step 6: Final answer
    x = 3,642.68

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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.