Home / 6,607.98-9,119.16-4,090.05

Finding the Fourth Proportional to 6,607.98, 9,119.16 and 4,090.05

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Solution

The fourth proportional to 6,607.98, 9,119.16 and 4,090.05 is: 5,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.98 : 9,119.16 = 4,090.05 : x
  2. Step 2: Convert to fraction form
    6,607.98/9,119.16 = 4,090.05/x
  3. Step 3: Cross multiply
    6,607.98x = 9,119.16 × 4,090.05
  4. Step 4: Simplify right side
    6,607.98x = 37,297,820.36
  5. Step 5: Solve for x
    x = 37,297,820.36/6,607.98
  6. Step 6: Final answer
    x = 5,644.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.