Home / 5,600.57-8,400.58-2,090.31

Finding the Fourth Proportional to 5,600.57, 8,400.58 and 2,090.31

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Solution

The fourth proportional to 5,600.57, 8,400.58 and 2,090.31 is: 3,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.57 : 8,400.58 = 2,090.31 : x
  2. Step 2: Convert to fraction form
    5,600.57/8,400.58 = 2,090.31/x
  3. Step 3: Cross multiply
    5,600.57x = 8,400.58 × 2,090.31
  4. Step 4: Simplify right side
    5,600.57x = 17,559,805.93
  5. Step 5: Solve for x
    x = 17,559,805.93/5,600.57
  6. Step 6: Final answer
    x = 3,135.36

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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.