Home / 5,258.40-7,254.72-3,163.20

Finding the Fourth Proportional to 5,258.40, 7,254.72 and 3,163.20

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Solution

The fourth proportional to 5,258.40, 7,254.72 and 3,163.20 is: 4,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.40 : 7,254.72 = 3,163.20 : x
  2. Step 2: Convert to fraction form
    5,258.40/7,254.72 = 3,163.20/x
  3. Step 3: Cross multiply
    5,258.40x = 7,254.72 × 3,163.20
  4. Step 4: Simplify right side
    5,258.40x = 22,948,130.30
  5. Step 5: Solve for x
    x = 22,948,130.30/5,258.40
  6. Step 6: Final answer
    x = 4,364.09

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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.