Home / 5,261.00-7,258.55-4,272.80

Finding the Fourth Proportional to 5,261.00, 7,258.55 and 4,272.80

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Solution

The fourth proportional to 5,261.00, 7,258.55 and 4,272.80 is: 5,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.00 : 7,258.55 = 4,272.80 : x
  2. Step 2: Convert to fraction form
    5,261.00/7,258.55 = 4,272.80/x
  3. Step 3: Cross multiply
    5,261.00x = 7,258.55 × 4,272.80
  4. Step 4: Simplify right side
    5,261.00x = 31,014,274.78
  5. Step 5: Solve for x
    x = 31,014,274.78/5,261.00
  6. Step 6: Final answer
    x = 5,895.13

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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.