Home / 5,325.21-7,347.31-3,086.64

Finding the Fourth Proportional to 5,325.21, 7,347.31 and 3,086.64

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Solution

The fourth proportional to 5,325.21, 7,347.31 and 3,086.64 is: 4,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.21 : 7,347.31 = 3,086.64 : x
  2. Step 2: Convert to fraction form
    5,325.21/7,347.31 = 3,086.64/x
  3. Step 3: Cross multiply
    5,325.21x = 7,347.31 × 3,086.64
  4. Step 4: Simplify right side
    5,325.21x = 22,678,493.22
  5. Step 5: Solve for x
    x = 22,678,493.22/5,325.21
  6. Step 6: Final answer
    x = 4,258.70

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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.