Home / 5,258.90-7,261.18-3,689.12

Finding the Fourth Proportional to 5,258.90, 7,261.18 and 3,689.12

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Solution

The fourth proportional to 5,258.90, 7,261.18 and 3,689.12 is: 5,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.90 : 7,261.18 = 3,689.12 : x
  2. Step 2: Convert to fraction form
    5,258.90/7,261.18 = 3,689.12/x
  3. Step 3: Cross multiply
    5,258.90x = 7,261.18 × 3,689.12
  4. Step 4: Simplify right side
    5,258.90x = 26,787,364.36
  5. Step 5: Solve for x
    x = 26,787,364.36/5,258.90
  6. Step 6: Final answer
    x = 5,093.72

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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.