Home / 5,090.32-7,017.06-3,408.76

Finding the Fourth Proportional to 5,090.32, 7,017.06 and 3,408.76

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Solution

The fourth proportional to 5,090.32, 7,017.06 and 3,408.76 is: 4,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.32 : 7,017.06 = 3,408.76 : x
  2. Step 2: Convert to fraction form
    5,090.32/7,017.06 = 3,408.76/x
  3. Step 3: Cross multiply
    5,090.32x = 7,017.06 × 3,408.76
  4. Step 4: Simplify right side
    5,090.32x = 23,919,473.45
  5. Step 5: Solve for x
    x = 23,919,473.45/5,090.32
  6. Step 6: Final answer
    x = 4,699.01

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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.